Home / 977,266.80-1,465,900.20-346,244.40

Finding the Fourth Proportional to 977,266.80, 1,465,900.20 and 346,244.40

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Solution

The fourth proportional to 977,266.80, 1,465,900.20 and 346,244.40 is: 519,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,266.80 : 1,465,900.20 = 346,244.40 : x
  2. Step 2: Convert to fraction form
    977,266.80/1,465,900.20 = 346,244.40/x
  3. Step 3: Cross multiply
    977,266.80x = 1,465,900.20 × 346,244.40
  4. Step 4: Simplify right side
    977,266.80x = 507,559,735,208.88
  5. Step 5: Solve for x
    x = 507,559,735,208.88/977,266.80
  6. Step 6: Final answer
    x = 519,366.60

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Double scale
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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.