Home / 1,016,333.94-1,402,531.28-557,439.18

Finding the Fourth Proportional to 1,016,333.94, 1,402,531.28 and 557,439.18

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Solution

The fourth proportional to 1,016,333.94, 1,402,531.28 and 557,439.18 is: 769,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,333.94 : 1,402,531.28 = 557,439.18 : x
  2. Step 2: Convert to fraction form
    1,016,333.94/1,402,531.28 = 557,439.18/x
  3. Step 3: Cross multiply
    1,016,333.94x = 1,402,531.28 × 557,439.18
  4. Step 4: Simplify right side
    1,016,333.94x = 781,825,876,847.70
  5. Step 5: Solve for x
    x = 781,825,876,847.70/1,016,333.94
  6. Step 6: Final answer
    x = 769,260.82

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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.