Home / 987,585.76-1,362,864.13-552,002.52

Finding the Fourth Proportional to 987,585.76, 1,362,864.13 and 552,002.52

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Solution

The fourth proportional to 987,585.76, 1,362,864.13 and 552,002.52 is: 761,761.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,585.76 : 1,362,864.13 = 552,002.52 : x
  2. Step 2: Convert to fraction form
    987,585.76/1,362,864.13 = 552,002.52/x
  3. Step 3: Cross multiply
    987,585.76x = 1,362,864.13 × 552,002.52
  4. Step 4: Simplify right side
    987,585.76x = 752,304,434,177.61
  5. Step 5: Solve for x
    x = 752,304,434,177.61/987,585.76
  6. Step 6: Final answer
    x = 761,761.12

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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.