Home / 440,246.16-660,099.35-187,382.65

Finding the Fourth Proportional to 440,246.16, 660,099.35 and 187,382.65

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Solution

The fourth proportional to 440,246.16, 660,099.35 and 187,382.65 is: 280,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,246.16 : 660,099.35 = 187,382.65 : x
  2. Step 2: Convert to fraction form
    440,246.16/660,099.35 = 187,382.65/x
  3. Step 3: Cross multiply
    440,246.16x = 660,099.35 × 187,382.65
  4. Step 4: Simplify right side
    440,246.16x = 123,691,164,997.82
  5. Step 5: Solve for x
    x = 123,691,164,997.82/440,246.16
  6. Step 6: Final answer
    x = 280,959.10

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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.