Home / 932,805.47-1,287,172.29-524,900.20

Finding the Fourth Proportional to 932,805.47, 1,287,172.29 and 524,900.20

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Solution

The fourth proportional to 932,805.47, 1,287,172.29 and 524,900.20 is: 724,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,805.47 : 1,287,172.29 = 524,900.20 : x
  2. Step 2: Convert to fraction form
    932,805.47/1,287,172.29 = 524,900.20/x
  3. Step 3: Cross multiply
    932,805.47x = 1,287,172.29 × 524,900.20
  4. Step 4: Simplify right side
    932,805.47x = 675,636,992,143.07
  5. Step 5: Solve for x
    x = 675,636,992,143.07/932,805.47
  6. Step 6: Final answer
    x = 724,306.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.