Home / 585,320.18-878,480.24-417,251.66

Finding the Fourth Proportional to 585,320.18, 878,480.24 and 417,251.66

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Solution

The fourth proportional to 585,320.18, 878,480.24 and 417,251.66 is: 626,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,320.18 : 878,480.24 = 417,251.66 : x
  2. Step 2: Convert to fraction form
    585,320.18/878,480.24 = 417,251.66/x
  3. Step 3: Cross multiply
    585,320.18x = 878,480.24 × 417,251.66
  4. Step 4: Simplify right side
    585,320.18x = 366,547,331,938.54
  5. Step 5: Solve for x
    x = 366,547,331,938.54/585,320.18
  6. Step 6: Final answer
    x = 626,233.89

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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.