Home / 374,539.12-516,869.04-204,772.88

Finding the Fourth Proportional to 374,539.12, 516,869.04 and 204,772.88

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Solution

The fourth proportional to 374,539.12, 516,869.04 and 204,772.88 is: 282,589.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,539.12 : 516,869.04 = 204,772.88 : x
  2. Step 2: Convert to fraction form
    374,539.12/516,869.04 = 204,772.88/x
  3. Step 3: Cross multiply
    374,539.12x = 516,869.04 × 204,772.88
  4. Step 4: Simplify right side
    374,539.12x = 105,840,761,903.64
  5. Step 5: Solve for x
    x = 105,840,761,903.64/374,539.12
  6. Step 6: Final answer
    x = 282,589.34

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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.