Home / 552,632.70-829,386.45-215,834.70

Finding the Fourth Proportional to 552,632.70, 829,386.45 and 215,834.70

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Solution

The fourth proportional to 552,632.70, 829,386.45 and 215,834.70 is: 323,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,632.70 : 829,386.45 = 215,834.70 : x
  2. Step 2: Convert to fraction form
    552,632.70/829,386.45 = 215,834.70/x
  3. Step 3: Cross multiply
    552,632.70x = 829,386.45 × 215,834.70
  4. Step 4: Simplify right side
    552,632.70x = 179,010,375,619.82
  5. Step 5: Solve for x
    x = 179,010,375,619.82/552,632.70
  6. Step 6: Final answer
    x = 323,922.88

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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.