Home / 982,713.29-1,356,034.41-553,141.13

Finding the Fourth Proportional to 982,713.29, 1,356,034.41 and 553,141.13

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Solution

The fourth proportional to 982,713.29, 1,356,034.41 and 553,141.13 is: 763,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,713.29 : 1,356,034.41 = 553,141.13 : x
  2. Step 2: Convert to fraction form
    982,713.29/1,356,034.41 = 553,141.13/x
  3. Step 3: Cross multiply
    982,713.29x = 1,356,034.41 × 553,141.13
  4. Step 4: Simplify right side
    982,713.29x = 750,078,399,086.11
  5. Step 5: Solve for x
    x = 750,078,399,086.11/982,713.29
  6. Step 6: Final answer
    x = 763,272.88

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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.