Home / 440,394.12-660,591.09-124,853.76

Finding the Fourth Proportional to 440,394.12, 660,591.09 and 124,853.76

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Solution

The fourth proportional to 440,394.12, 660,591.09 and 124,853.76 is: 187,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,394.12 : 660,591.09 = 124,853.76 : x
  2. Step 2: Convert to fraction form
    440,394.12/660,591.09 = 124,853.76/x
  3. Step 3: Cross multiply
    440,394.12x = 660,591.09 × 124,853.76
  4. Step 4: Simplify right side
    440,394.12x = 82,477,281,409.00
  5. Step 5: Solve for x
    x = 82,477,281,409.00/440,394.12
  6. Step 6: Final answer
    x = 187,280.61

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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.