Home / 752,575.54-1,129,174.96-415,586.18

Finding the Fourth Proportional to 752,575.54, 1,129,174.96 and 415,586.18

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Solution

The fourth proportional to 752,575.54, 1,129,174.96 and 415,586.18 is: 623,551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,575.54 : 1,129,174.96 = 415,586.18 : x
  2. Step 2: Convert to fraction form
    752,575.54/1,129,174.96 = 415,586.18/x
  3. Step 3: Cross multiply
    752,575.54x = 1,129,174.96 × 415,586.18
  4. Step 4: Simplify right side
    752,575.54x = 469,269,501,493.21
  5. Step 5: Solve for x
    x = 469,269,501,493.21/752,575.54
  6. Step 6: Final answer
    x = 623,551.36

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Double scale
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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.