Home / 935,505.64-1,290,136.98-613,098.64

Finding the Fourth Proportional to 935,505.64, 1,290,136.98 and 613,098.64

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Solution

The fourth proportional to 935,505.64, 1,290,136.98 and 613,098.64 is: 845,511.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,505.64 : 1,290,136.98 = 613,098.64 : x
  2. Step 2: Convert to fraction form
    935,505.64/1,290,136.98 = 613,098.64/x
  3. Step 3: Cross multiply
    935,505.64x = 1,290,136.98 × 613,098.64
  4. Step 4: Simplify right side
    935,505.64x = 790,981,227,851.71
  5. Step 5: Solve for x
    x = 790,981,227,851.71/935,505.64
  6. Step 6: Final answer
    x = 845,511.98

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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.