Home / 418,575.68-627,849.48-181,918.34

Finding the Fourth Proportional to 418,575.68, 627,849.48 and 181,918.34

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Solution

The fourth proportional to 418,575.68, 627,849.48 and 181,918.34 is: 272,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,575.68 : 627,849.48 = 181,918.34 : x
  2. Step 2: Convert to fraction form
    418,575.68/627,849.48 = 181,918.34/x
  3. Step 3: Cross multiply
    418,575.68x = 627,849.48 × 181,918.34
  4. Step 4: Simplify right side
    418,575.68x = 114,217,335,171.46
  5. Step 5: Solve for x
    x = 114,217,335,171.46/418,575.68
  6. Step 6: Final answer
    x = 272,871.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.