Home / 927,510.38-1,279,961.47-514,073.52

Finding the Fourth Proportional to 927,510.38, 1,279,961.47 and 514,073.52

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Solution

The fourth proportional to 927,510.38, 1,279,961.47 and 514,073.52 is: 709,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,510.38 : 1,279,961.47 = 514,073.52 : x
  2. Step 2: Convert to fraction form
    927,510.38/1,279,961.47 = 514,073.52/x
  3. Step 3: Cross multiply
    927,510.38x = 1,279,961.47 × 514,073.52
  4. Step 4: Simplify right side
    927,510.38x = 657,994,299,304.63
  5. Step 5: Solve for x
    x = 657,994,299,304.63/927,510.38
  6. Step 6: Final answer
    x = 709,419.88

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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.