Home / 476,033.14-656,753.33-312,777.59

Finding the Fourth Proportional to 476,033.14, 656,753.33 and 312,777.59

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Solution

The fourth proportional to 476,033.14, 656,753.33 and 312,777.59 is: 431,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,033.14 : 656,753.33 = 312,777.59 : x
  2. Step 2: Convert to fraction form
    476,033.14/656,753.33 = 312,777.59/x
  3. Step 3: Cross multiply
    476,033.14x = 656,753.33 × 312,777.59
  4. Step 4: Simplify right side
    476,033.14x = 205,417,721,280.05
  5. Step 5: Solve for x
    x = 205,417,721,280.05/476,033.14
  6. Step 6: Final answer
    x = 431,519.80

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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.