Home / 418,200.23-577,144.78-236,913.59

Finding the Fourth Proportional to 418,200.23, 577,144.78 and 236,913.59

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Solution

The fourth proportional to 418,200.23, 577,144.78 and 236,913.59 is: 326,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,200.23 : 577,144.78 = 236,913.59 : x
  2. Step 2: Convert to fraction form
    418,200.23/577,144.78 = 236,913.59/x
  3. Step 3: Cross multiply
    418,200.23x = 577,144.78 × 236,913.59
  4. Step 4: Simplify right side
    418,200.23x = 136,733,442,630.14
  5. Step 5: Solve for x
    x = 136,733,442,630.14/418,200.23
  6. Step 6: Final answer
    x = 326,956.88

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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.