Home / 418,006.96-576,856.20-236,713.98

Finding the Fourth Proportional to 418,006.96, 576,856.20 and 236,713.98

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Solution

The fourth proportional to 418,006.96, 576,856.20 and 236,713.98 is: 326,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,006.96 : 576,856.20 = 236,713.98 : x
  2. Step 2: Convert to fraction form
    418,006.96/576,856.20 = 236,713.98/x
  3. Step 3: Cross multiply
    418,006.96x = 576,856.20 × 236,713.98
  4. Step 4: Simplify right side
    418,006.96x = 136,549,926,989.68
  5. Step 5: Solve for x
    x = 136,549,926,989.68/418,006.96
  6. Step 6: Final answer
    x = 326,669.03

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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.