Home / 418,926.43-627,596.81-247,635.33

Finding the Fourth Proportional to 418,926.43, 627,596.81 and 247,635.33

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Solution

The fourth proportional to 418,926.43, 627,596.81 and 247,635.33 is: 370,984.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,926.43 : 627,596.81 = 247,635.33 : x
  2. Step 2: Convert to fraction form
    418,926.43/627,596.81 = 247,635.33/x
  3. Step 3: Cross multiply
    418,926.43x = 627,596.81 × 247,635.33
  4. Step 4: Simplify right side
    418,926.43x = 155,415,140,488.27
  5. Step 5: Solve for x
    x = 155,415,140,488.27/418,926.43
  6. Step 6: Final answer
    x = 370,984.33

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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.