Home / 418,736.47-627,724.59-152,308.63

Finding the Fourth Proportional to 418,736.47, 627,724.59 and 152,308.63

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Solution

The fourth proportional to 418,736.47, 627,724.59 and 152,308.63 is: 228,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,736.47 : 627,724.59 = 152,308.63 : x
  2. Step 2: Convert to fraction form
    418,736.47/627,724.59 = 152,308.63/x
  3. Step 3: Cross multiply
    418,736.47x = 627,724.59 × 152,308.63
  4. Step 4: Simplify right side
    418,736.47x = 95,607,872,320.21
  5. Step 5: Solve for x
    x = 95,607,872,320.21/418,736.47
  6. Step 6: Final answer
    x = 228,324.68

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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.