Home / 418,617.60-577,680.30-237,346.89

Finding the Fourth Proportional to 418,617.60, 577,680.30 and 237,346.89

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Solution

The fourth proportional to 418,617.60, 577,680.30 and 237,346.89 is: 327,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,617.60 : 577,680.30 = 237,346.89 : x
  2. Step 2: Convert to fraction form
    418,617.60/577,680.30 = 237,346.89/x
  3. Step 3: Cross multiply
    418,617.60x = 577,680.30 × 237,346.89
  4. Step 4: Simplify right side
    418,617.60x = 137,110,622,619.27
  5. Step 5: Solve for x
    x = 137,110,622,619.27/418,617.60
  6. Step 6: Final answer
    x = 327,531.91

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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.