Home / 738,368.70-1,107,553.05-607,148.70

Finding the Fourth Proportional to 738,368.70, 1,107,553.05 and 607,148.70

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Solution

The fourth proportional to 738,368.70, 1,107,553.05 and 607,148.70 is: 910,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,368.70 : 1,107,553.05 = 607,148.70 : x
  2. Step 2: Convert to fraction form
    738,368.70/1,107,553.05 = 607,148.70/x
  3. Step 3: Cross multiply
    738,368.70x = 1,107,553.05 × 607,148.70
  4. Step 4: Simplify right side
    738,368.70x = 672,449,394,488.54
  5. Step 5: Solve for x
    x = 672,449,394,488.54/738,368.70
  6. Step 6: Final answer
    x = 910,723.05

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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.