Home / 418,325.49-577,217.88-236,999.97

Finding the Fourth Proportional to 418,325.49, 577,217.88 and 236,999.97

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Solution

The fourth proportional to 418,325.49, 577,217.88 and 236,999.97 is: 327,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,325.49 : 577,217.88 = 236,999.97 : x
  2. Step 2: Convert to fraction form
    418,325.49/577,217.88 = 236,999.97/x
  3. Step 3: Cross multiply
    418,325.49x = 577,217.88 × 236,999.97
  4. Step 4: Simplify right side
    418,325.49x = 136,800,620,243.46
  5. Step 5: Solve for x
    x = 136,800,620,243.46/418,325.49
  6. Step 6: Final answer
    x = 327,019.57

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1.5x scale

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.