Home / 514,945.76-772,229.03-177,899.90

Finding the Fourth Proportional to 514,945.76, 772,229.03 and 177,899.90

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Solution

The fourth proportional to 514,945.76, 772,229.03 and 177,899.90 is: 266,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,945.76 : 772,229.03 = 177,899.90 : x
  2. Step 2: Convert to fraction form
    514,945.76/772,229.03 = 177,899.90/x
  3. Step 3: Cross multiply
    514,945.76x = 772,229.03 × 177,899.90
  4. Step 4: Simplify right side
    514,945.76x = 137,379,462,463.45
  5. Step 5: Solve for x
    x = 137,379,462,463.45/514,945.76
  6. Step 6: Final answer
    x = 266,784.34

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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.