Home / 875,641.20-1,313,461.80-501,356.40

Finding the Fourth Proportional to 875,641.20, 1,313,461.80 and 501,356.40

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Solution

The fourth proportional to 875,641.20, 1,313,461.80 and 501,356.40 is: 752,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,641.20 : 1,313,461.80 = 501,356.40 : x
  2. Step 2: Convert to fraction form
    875,641.20/1,313,461.80 = 501,356.40/x
  3. Step 3: Cross multiply
    875,641.20x = 1,313,461.80 × 501,356.40
  4. Step 4: Simplify right side
    875,641.20x = 658,512,479,585.52
  5. Step 5: Solve for x
    x = 658,512,479,585.52/875,641.20
  6. Step 6: Final answer
    x = 752,034.60

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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.