Home / 749,615.31-1,124,422.92-217,136.52

Finding the Fourth Proportional to 749,615.31, 1,124,422.92 and 217,136.52

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Solution

The fourth proportional to 749,615.31, 1,124,422.92 and 217,136.52 is: 325,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,615.31 : 1,124,422.92 = 217,136.52 : x
  2. Step 2: Convert to fraction form
    749,615.31/1,124,422.92 = 217,136.52/x
  3. Step 3: Cross multiply
    749,615.31x = 1,124,422.92 × 217,136.52
  4. Step 4: Simplify right side
    749,615.31x = 244,153,279,857.04
  5. Step 5: Solve for x
    x = 244,153,279,857.04/749,615.31
  6. Step 6: Final answer
    x = 325,704.77

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.