Home / 1,016,801.35-1,403,138.89-557,904.49

Finding the Fourth Proportional to 1,016,801.35, 1,403,138.89 and 557,904.49

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Solution

The fourth proportional to 1,016,801.35, 1,403,138.89 and 557,904.49 is: 769,882.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,801.35 : 1,403,138.89 = 557,904.49 : x
  2. Step 2: Convert to fraction form
    1,016,801.35/1,403,138.89 = 557,904.49/x
  3. Step 3: Cross multiply
    1,016,801.35x = 1,403,138.89 × 557,904.49
  4. Step 4: Simplify right side
    1,016,801.35x = 782,817,486,824.62
  5. Step 5: Solve for x
    x = 782,817,486,824.62/1,016,801.35
  6. Step 6: Final answer
    x = 769,882.42

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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.