Home / 1,016,765.65-1,403,089.05-557,869.87

Finding the Fourth Proportional to 1,016,765.65, 1,403,089.05 and 557,869.87

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Solution

The fourth proportional to 1,016,765.65, 1,403,089.05 and 557,869.87 is: 769,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,765.65 : 1,403,089.05 = 557,869.87 : x
  2. Step 2: Convert to fraction form
    1,016,765.65/1,403,089.05 = 557,869.87/x
  3. Step 3: Cross multiply
    1,016,765.65x = 1,403,089.05 × 557,869.87
  4. Step 4: Simplify right side
    1,016,765.65x = 782,741,105,921.92
  5. Step 5: Solve for x
    x = 782,741,105,921.92/1,016,765.65
  6. Step 6: Final answer
    x = 769,834.33

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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.