Home / 526,729.11-727,388.24-498,037.83

Finding the Fourth Proportional to 526,729.11, 727,388.24 and 498,037.83

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Solution

The fourth proportional to 526,729.11, 727,388.24 and 498,037.83 is: 687,766.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,729.11 : 727,388.24 = 498,037.83 : x
  2. Step 2: Convert to fraction form
    526,729.11/727,388.24 = 498,037.83/x
  3. Step 3: Cross multiply
    526,729.11x = 727,388.24 × 498,037.83
  4. Step 4: Simplify right side
    526,729.11x = 362,266,858,126.93
  5. Step 5: Solve for x
    x = 362,266,858,126.93/526,729.11
  6. Step 6: Final answer
    x = 687,766.92

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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.