Home / 325,538.11-487,716.60-240,359.93

Finding the Fourth Proportional to 325,538.11, 487,716.60 and 240,359.93

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Solution

The fourth proportional to 325,538.11, 487,716.60 and 240,359.93 is: 360,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,538.11 : 487,716.60 = 240,359.93 : x
  2. Step 2: Convert to fraction form
    325,538.11/487,716.60 = 240,359.93/x
  3. Step 3: Cross multiply
    325,538.11x = 487,716.60 × 240,359.93
  4. Step 4: Simplify right side
    325,538.11x = 117,227,525,397.26
  5. Step 5: Solve for x
    x = 117,227,525,397.26/325,538.11
  6. Step 6: Final answer
    x = 360,103.85

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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.