Home / 448,217.11-618,539.60-247,013.11

Finding the Fourth Proportional to 448,217.11, 618,539.60 and 247,013.11

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Solution

The fourth proportional to 448,217.11, 618,539.60 and 247,013.11 is: 340,878.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,217.11 : 618,539.60 = 247,013.11 : x
  2. Step 2: Convert to fraction form
    448,217.11/618,539.60 = 247,013.11/x
  3. Step 3: Cross multiply
    448,217.11x = 618,539.60 × 247,013.11
  4. Step 4: Simplify right side
    448,217.11x = 152,787,385,926.39
  5. Step 5: Solve for x
    x = 152,787,385,926.39/448,217.11
  6. Step 6: Final answer
    x = 340,878.08

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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.