Home / 482,374.59-723,995.57-257,926.88

Finding the Fourth Proportional to 482,374.59, 723,995.57 and 257,926.88

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Solution

The fourth proportional to 482,374.59, 723,995.57 and 257,926.88 is: 387,122.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,374.59 : 723,995.57 = 257,926.88 : x
  2. Step 2: Convert to fraction form
    482,374.59/723,995.57 = 257,926.88/x
  3. Step 3: Cross multiply
    482,374.59x = 723,995.57 × 257,926.88
  4. Step 4: Simplify right side
    482,374.59x = 186,737,919,507.89
  5. Step 5: Solve for x
    x = 186,737,919,507.89/482,374.59
  6. Step 6: Final answer
    x = 387,122.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.