Home / 738,759.75-1,108,139.87-177,794.25

Finding the Fourth Proportional to 738,759.75, 1,108,139.87 and 177,794.25

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Solution

The fourth proportional to 738,759.75, 1,108,139.87 and 177,794.25 is: 266,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,759.75 : 1,108,139.87 = 177,794.25 : x
  2. Step 2: Convert to fraction form
    738,759.75/1,108,139.87 = 177,794.25/x
  3. Step 3: Cross multiply
    738,759.75x = 1,108,139.87 × 177,794.25
  4. Step 4: Simplify right side
    738,759.75x = 197,020,897,081.75
  5. Step 5: Solve for x
    x = 197,020,897,081.75/738,759.75
  6. Step 6: Final answer
    x = 266,691.43

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Half scale
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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.