Home / 665,047.20-997,570.80-332,503.20

Finding the Fourth Proportional to 665,047.20, 997,570.80 and 332,503.20

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Solution

The fourth proportional to 665,047.20, 997,570.80 and 332,503.20 is: 498,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,047.20 : 997,570.80 = 332,503.20 : x
  2. Step 2: Convert to fraction form
    665,047.20/997,570.80 = 332,503.20/x
  3. Step 3: Cross multiply
    665,047.20x = 997,570.80 × 332,503.20
  4. Step 4: Simplify right side
    665,047.20x = 331,695,483,226.56
  5. Step 5: Solve for x
    x = 331,695,483,226.56/665,047.20
  6. Step 6: Final answer
    x = 498,754.80

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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.