Home / 1,016,335.38-1,402,544.84-557,453.70

Finding the Fourth Proportional to 1,016,335.38, 1,402,544.84 and 557,453.70

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Solution

The fourth proportional to 1,016,335.38, 1,402,544.84 and 557,453.70 is: 769,287.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,335.38 : 1,402,544.84 = 557,453.70 : x
  2. Step 2: Convert to fraction form
    1,016,335.38/1,402,544.84 = 557,453.70/x
  3. Step 3: Cross multiply
    1,016,335.38x = 1,402,544.84 × 557,453.70
  4. Step 4: Simplify right side
    1,016,335.38x = 781,853,810,473.91
  5. Step 5: Solve for x
    x = 781,853,810,473.91/1,016,335.38
  6. Step 6: Final answer
    x = 769,287.21

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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.