Home / 527,441.40-791,151.16-128,084.26

Finding the Fourth Proportional to 527,441.40, 791,151.16 and 128,084.26

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Solution

The fourth proportional to 527,441.40, 791,151.16 and 128,084.26 is: 192,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,441.40 : 791,151.16 = 128,084.26 : x
  2. Step 2: Convert to fraction form
    527,441.40/791,151.16 = 128,084.26/x
  3. Step 3: Cross multiply
    527,441.40x = 791,151.16 × 128,084.26
  4. Step 4: Simplify right side
    527,441.40x = 101,334,010,236.32
  5. Step 5: Solve for x
    x = 101,334,010,236.32/527,441.40
  6. Step 6: Final answer
    x = 192,123.73

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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.