Home / 738,412.60-1,107,618.90-177,447.10

Finding the Fourth Proportional to 738,412.60, 1,107,618.90 and 177,447.10

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Solution

The fourth proportional to 738,412.60, 1,107,618.90 and 177,447.10 is: 266,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,412.60 : 1,107,618.90 = 177,447.10 : x
  2. Step 2: Convert to fraction form
    738,412.60/1,107,618.90 = 177,447.10/x
  3. Step 3: Cross multiply
    738,412.60x = 1,107,618.90 × 177,447.10
  4. Step 4: Simplify right side
    738,412.60x = 196,543,761,710.19
  5. Step 5: Solve for x
    x = 196,543,761,710.19/738,412.60
  6. Step 6: Final answer
    x = 266,170.65

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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.