Home / 527,447.42-791,078.88-148,278.02

Finding the Fourth Proportional to 527,447.42, 791,078.88 and 148,278.02

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Solution

The fourth proportional to 527,447.42, 791,078.88 and 148,278.02 is: 222,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,447.42 : 791,078.88 = 148,278.02 : x
  2. Step 2: Convert to fraction form
    527,447.42/791,078.88 = 148,278.02/x
  3. Step 3: Cross multiply
    527,447.42x = 791,078.88 × 148,278.02
  4. Step 4: Simplify right side
    527,447.42x = 117,299,611,967.92
  5. Step 5: Solve for x
    x = 117,299,611,967.92/527,447.42
  6. Step 6: Final answer
    x = 222,391.10

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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.