Home / 475,821.40-656,632.21-271,935.59

Finding the Fourth Proportional to 475,821.40, 656,632.21 and 271,935.59

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Solution

The fourth proportional to 475,821.40, 656,632.21 and 271,935.59 is: 375,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,821.40 : 656,632.21 = 271,935.59 : x
  2. Step 2: Convert to fraction form
    475,821.40/656,632.21 = 271,935.59/x
  3. Step 3: Cross multiply
    475,821.40x = 656,632.21 × 271,935.59
  4. Step 4: Simplify right side
    475,821.40x = 178,561,666,079.68
  5. Step 5: Solve for x
    x = 178,561,666,079.68/475,821.40
  6. Step 6: Final answer
    x = 375,270.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.