Home / 1,016,335.89-1,402,545.51-557,454.18

Finding the Fourth Proportional to 1,016,335.89, 1,402,545.51 and 557,454.18

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Solution

The fourth proportional to 1,016,335.89, 1,402,545.51 and 557,454.18 is: 769,287.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,335.89 : 1,402,545.51 = 557,454.18 : x
  2. Step 2: Convert to fraction form
    1,016,335.89/1,402,545.51 = 557,454.18/x
  3. Step 3: Cross multiply
    1,016,335.89x = 1,402,545.51 × 557,454.18
  4. Step 4: Simplify right side
    1,016,335.89x = 781,854,857,189.73
  5. Step 5: Solve for x
    x = 781,854,857,189.73/1,016,335.89
  6. Step 6: Final answer
    x = 769,287.86

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Double scale
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1.5x scale

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.