Home / 4,876,428.40-7,293,906.60-4,374,617.20

Finding the Fourth Proportional to 4,876,428.40, 7,293,906.60 and 4,374,617.20

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Solution

The fourth proportional to 4,876,428.40, 7,293,906.60 and 4,374,617.20 is: 6,543,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876,428.40 : 7,293,906.60 = 4,374,617.20 : x
  2. Step 2: Convert to fraction form
    4,876,428.40/7,293,906.60 = 4,374,617.20/x
  3. Step 3: Cross multiply
    4,876,428.40x = 7,293,906.60 × 4,374,617.20
  4. Step 4: Simplify right side
    4,876,428.40x = 31,908,049,267,553.52
  5. Step 5: Solve for x
    x = 31,908,049,267,553.52/4,876,428.40
  6. Step 6: Final answer
    x = 6,543,323.65

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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.