Home / 457,785.14-631,736.96-253,836.45

Finding the Fourth Proportional to 457,785.14, 631,736.96 and 253,836.45

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Solution

The fourth proportional to 457,785.14, 631,736.96 and 253,836.45 is: 350,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,785.14 : 631,736.96 = 253,836.45 : x
  2. Step 2: Convert to fraction form
    457,785.14/631,736.96 = 253,836.45/x
  3. Step 3: Cross multiply
    457,785.14x = 631,736.96 × 253,836.45
  4. Step 4: Simplify right side
    457,785.14x = 160,357,865,991.01
  5. Step 5: Solve for x
    x = 160,357,865,991.01/457,785.14
  6. Step 6: Final answer
    x = 350,290.68

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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.