Home / 375,654.09-518,326.23-222,624.96

Finding the Fourth Proportional to 375,654.09, 518,326.23 and 222,624.96

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Solution

The fourth proportional to 375,654.09, 518,326.23 and 222,624.96 is: 307,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,654.09 : 518,326.23 = 222,624.96 : x
  2. Step 2: Convert to fraction form
    375,654.09/518,326.23 = 222,624.96/x
  3. Step 3: Cross multiply
    375,654.09x = 518,326.23 × 222,624.96
  4. Step 4: Simplify right side
    375,654.09x = 115,392,356,220.70
  5. Step 5: Solve for x
    x = 115,392,356,220.70/375,654.09
  6. Step 6: Final answer
    x = 307,177.16

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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.