Home / 665,044.20-997,566.30-332,500.20

Finding the Fourth Proportional to 665,044.20, 997,566.30 and 332,500.20

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Solution

The fourth proportional to 665,044.20, 997,566.30 and 332,500.20 is: 498,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,044.20 : 997,566.30 = 332,500.20 : x
  2. Step 2: Convert to fraction form
    665,044.20/997,566.30 = 332,500.20/x
  3. Step 3: Cross multiply
    665,044.20x = 997,566.30 × 332,500.20
  4. Step 4: Simplify right side
    665,044.20x = 331,690,994,263.26
  5. Step 5: Solve for x
    x = 331,690,994,263.26/665,044.20
  6. Step 6: Final answer
    x = 498,750.30

Related Problems

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Half scale
Find fourth proportional to 1,330,088.40, 1,995,132.60 and 665,000.40
Double scale
Find fourth proportional to 665,045.20, 997,567.80 and 332,501.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.