Home / 1,016,757.20-1,403,077.57-557,861.42

Finding the Fourth Proportional to 1,016,757.20, 1,403,077.57 and 557,861.42

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Solution

The fourth proportional to 1,016,757.20, 1,403,077.57 and 557,861.42 is: 769,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,757.20 : 1,403,077.57 = 557,861.42 : x
  2. Step 2: Convert to fraction form
    1,016,757.20/1,403,077.57 = 557,861.42/x
  3. Step 3: Cross multiply
    1,016,757.20x = 1,403,077.57 × 557,861.42
  4. Step 4: Simplify right side
    1,016,757.20x = 782,722,847,683.39
  5. Step 5: Solve for x
    x = 782,722,847,683.39/1,016,757.20
  6. Step 6: Final answer
    x = 769,822.77

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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.