Home / 527,821.56-791,733.24-128,462.60

Finding the Fourth Proportional to 527,821.56, 791,733.24 and 128,462.60

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Solution

The fourth proportional to 527,821.56, 791,733.24 and 128,462.60 is: 192,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,821.56 : 791,733.24 = 128,462.60 : x
  2. Step 2: Convert to fraction form
    527,821.56/791,733.24 = 128,462.60/x
  3. Step 3: Cross multiply
    527,821.56x = 791,733.24 × 128,462.60
  4. Step 4: Simplify right side
    527,821.56x = 101,708,106,558.16
  5. Step 5: Solve for x
    x = 101,708,106,558.16/527,821.56
  6. Step 6: Final answer
    x = 192,694.11

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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.