Home / 527,601.06-791,394.71-128,240.69

Finding the Fourth Proportional to 527,601.06, 791,394.71 and 128,240.69

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Solution

The fourth proportional to 527,601.06, 791,394.71 and 128,240.69 is: 192,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,601.06 : 791,394.71 = 128,240.69 : x
  2. Step 2: Convert to fraction form
    527,601.06/791,394.71 = 128,240.69/x
  3. Step 3: Cross multiply
    527,601.06x = 791,394.71 × 128,240.69
  4. Step 4: Simplify right side
    527,601.06x = 101,488,999,074.57
  5. Step 5: Solve for x
    x = 101,488,999,074.57/527,601.06
  6. Step 6: Final answer
    x = 192,359.35

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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.