Home / 766,238.57-1,057,198.80-533,404.58

Finding the Fourth Proportional to 766,238.57, 1,057,198.80 and 533,404.58

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Solution

The fourth proportional to 766,238.57, 1,057,198.80 and 533,404.58 is: 735,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,238.57 : 1,057,198.80 = 533,404.58 : x
  2. Step 2: Convert to fraction form
    766,238.57/1,057,198.80 = 533,404.58/x
  3. Step 3: Cross multiply
    766,238.57x = 1,057,198.80 × 533,404.58
  4. Step 4: Simplify right side
    766,238.57x = 563,914,680,814.56
  5. Step 5: Solve for x
    x = 563,914,680,814.56/766,238.57
  6. Step 6: Final answer
    x = 735,951.83

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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.