Home / 1,016,318.94-1,402,510.57-557,424.17

Finding the Fourth Proportional to 1,016,318.94, 1,402,510.57 and 557,424.17

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Solution

The fourth proportional to 1,016,318.94, 1,402,510.57 and 557,424.17 is: 769,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,318.94 : 1,402,510.57 = 557,424.17 : x
  2. Step 2: Convert to fraction form
    1,016,318.94/1,402,510.57 = 557,424.17/x
  3. Step 3: Cross multiply
    1,016,318.94x = 1,402,510.57 × 557,424.17
  4. Step 4: Simplify right side
    1,016,318.94x = 781,793,290,398.48
  5. Step 5: Solve for x
    x = 781,793,290,398.48/1,016,318.94
  6. Step 6: Final answer
    x = 769,240.11

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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.