Home / 738,201.20-1,104,677.40-512,502.80

Finding the Fourth Proportional to 738,201.20, 1,104,677.40 and 512,502.80

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Solution

The fourth proportional to 738,201.20, 1,104,677.40 and 512,502.80 is: 766,932.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,201.20 : 1,104,677.40 = 512,502.80 : x
  2. Step 2: Convert to fraction form
    738,201.20/1,104,677.40 = 512,502.80/x
  3. Step 3: Cross multiply
    738,201.20x = 1,104,677.40 × 512,502.80
  4. Step 4: Simplify right side
    738,201.20x = 566,150,260,596.72
  5. Step 5: Solve for x
    x = 566,150,260,596.72/738,201.20
  6. Step 6: Final answer
    x = 766,932.19

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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.