Home / 827,489.52-1,142,050.68-464,941.44

Finding the Fourth Proportional to 827,489.52, 1,142,050.68 and 464,941.44

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Solution

The fourth proportional to 827,489.52, 1,142,050.68 and 464,941.44 is: 641,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,489.52 : 1,142,050.68 = 464,941.44 : x
  2. Step 2: Convert to fraction form
    827,489.52/1,142,050.68 = 464,941.44/x
  3. Step 3: Cross multiply
    827,489.52x = 1,142,050.68 × 464,941.44
  4. Step 4: Simplify right side
    827,489.52x = 530,986,687,712.18
  5. Step 5: Solve for x
    x = 530,986,687,712.18/827,489.52
  6. Step 6: Final answer
    x = 641,683.88

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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.