Home / 716,531.38-1,074,758.19-217,856.50

Finding the Fourth Proportional to 716,531.38, 1,074,758.19 and 217,856.50

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Solution

The fourth proportional to 716,531.38, 1,074,758.19 and 217,856.50 is: 326,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,531.38 : 1,074,758.19 = 217,856.50 : x
  2. Step 2: Convert to fraction form
    716,531.38/1,074,758.19 = 217,856.50/x
  3. Step 3: Cross multiply
    716,531.38x = 1,074,758.19 × 217,856.50
  4. Step 4: Simplify right side
    716,531.38x = 234,143,057,619.74
  5. Step 5: Solve for x
    x = 234,143,057,619.74/716,531.38
  6. Step 6: Final answer
    x = 326,772.93

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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.