Home / 738,347.70-1,107,521.55-607,127.70

Finding the Fourth Proportional to 738,347.70, 1,107,521.55 and 607,127.70

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Solution

The fourth proportional to 738,347.70, 1,107,521.55 and 607,127.70 is: 910,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,347.70 : 1,107,521.55 = 607,127.70 : x
  2. Step 2: Convert to fraction form
    738,347.70/1,107,521.55 = 607,127.70/x
  3. Step 3: Cross multiply
    738,347.70x = 1,107,521.55 × 607,127.70
  4. Step 4: Simplify right side
    738,347.70x = 672,407,011,351.94
  5. Step 5: Solve for x
    x = 672,407,011,351.94/738,347.70
  6. Step 6: Final answer
    x = 910,691.55

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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.