Home / 408,985.45-564,394.55-236,926.87

Finding the Fourth Proportional to 408,985.45, 564,394.55 and 236,926.87

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Solution

The fourth proportional to 408,985.45, 564,394.55 and 236,926.87 is: 326,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,985.45 : 564,394.55 = 236,926.87 : x
  2. Step 2: Convert to fraction form
    408,985.45/564,394.55 = 236,926.87/x
  3. Step 3: Cross multiply
    408,985.45x = 564,394.55 × 236,926.87
  4. Step 4: Simplify right side
    408,985.45x = 133,720,234,768.88
  5. Step 5: Solve for x
    x = 133,720,234,768.88/408,985.45
  6. Step 6: Final answer
    x = 326,955.97

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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.