Home / 346,747.68-478,505.52-193,788.72

Finding the Fourth Proportional to 346,747.68, 478,505.52 and 193,788.72

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Solution

The fourth proportional to 346,747.68, 478,505.52 and 193,788.72 is: 267,424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,747.68 : 478,505.52 = 193,788.72 : x
  2. Step 2: Convert to fraction form
    346,747.68/478,505.52 = 193,788.72/x
  3. Step 3: Cross multiply
    346,747.68x = 478,505.52 × 193,788.72
  4. Step 4: Simplify right side
    346,747.68x = 92,728,972,233.73
  5. Step 5: Solve for x
    x = 92,728,972,233.73/346,747.68
  6. Step 6: Final answer
    x = 267,424.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.