Home / 651,778.92-977,669.19-178,468.38

Finding the Fourth Proportional to 651,778.92, 977,669.19 and 178,468.38

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Solution

The fourth proportional to 651,778.92, 977,669.19 and 178,468.38 is: 267,702.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,778.92 : 977,669.19 = 178,468.38 : x
  2. Step 2: Convert to fraction form
    651,778.92/977,669.19 = 178,468.38/x
  3. Step 3: Cross multiply
    651,778.92x = 977,669.19 × 178,468.38
  4. Step 4: Simplify right side
    651,778.92x = 174,483,036,515.21
  5. Step 5: Solve for x
    x = 174,483,036,515.21/651,778.92
  6. Step 6: Final answer
    x = 267,702.79

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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.