Home / 374,561.20-516,836.46-213,423.04

Finding the Fourth Proportional to 374,561.20, 516,836.46 and 213,423.04

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Solution

The fourth proportional to 374,561.20, 516,836.46 and 213,423.04 is: 294,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,561.20 : 516,836.46 = 213,423.04 : x
  2. Step 2: Convert to fraction form
    374,561.20/516,836.46 = 213,423.04/x
  3. Step 3: Cross multiply
    374,561.20x = 516,836.46 × 213,423.04
  4. Step 4: Simplify right side
    374,561.20x = 110,304,808,476.04
  5. Step 5: Solve for x
    x = 110,304,808,476.04/374,561.20
  6. Step 6: Final answer
    x = 294,490.75

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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.