Home / 756,104.60-1,134,156.90-257,468.60

Finding the Fourth Proportional to 756,104.60, 1,134,156.90 and 257,468.60

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Solution

The fourth proportional to 756,104.60, 1,134,156.90 and 257,468.60 is: 386,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,104.60 : 1,134,156.90 = 257,468.60 : x
  2. Step 2: Convert to fraction form
    756,104.60/1,134,156.90 = 257,468.60/x
  3. Step 3: Cross multiply
    756,104.60x = 1,134,156.90 × 257,468.60
  4. Step 4: Simplify right side
    756,104.60x = 292,009,789,223.34
  5. Step 5: Solve for x
    x = 292,009,789,223.34/756,104.60
  6. Step 6: Final answer
    x = 386,202.90

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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.