Home / 418,458.12-577,460.05-237,186.74

Finding the Fourth Proportional to 418,458.12, 577,460.05 and 237,186.74

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Solution

The fourth proportional to 418,458.12, 577,460.05 and 237,186.74 is: 327,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,458.12 : 577,460.05 = 237,186.74 : x
  2. Step 2: Convert to fraction form
    418,458.12/577,460.05 = 237,186.74/x
  3. Step 3: Cross multiply
    418,458.12x = 577,460.05 × 237,186.74
  4. Step 4: Simplify right side
    418,458.12x = 136,965,863,259.47
  5. Step 5: Solve for x
    x = 136,965,863,259.47/418,458.12
  6. Step 6: Final answer
    x = 327,310.80

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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.