Home / 2,578,805.10-3,868,207.65-659,712.60

Finding the Fourth Proportional to 2,578,805.10, 3,868,207.65 and 659,712.60

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Solution

The fourth proportional to 2,578,805.10, 3,868,207.65 and 659,712.60 is: 989,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,805.10 : 3,868,207.65 = 659,712.60 : x
  2. Step 2: Convert to fraction form
    2,578,805.10/3,868,207.65 = 659,712.60/x
  3. Step 3: Cross multiply
    2,578,805.10x = 3,868,207.65 × 659,712.60
  4. Step 4: Simplify right side
    2,578,805.10x = 2,551,905,326,121.39
  5. Step 5: Solve for x
    x = 2,551,905,326,121.39/2,578,805.10
  6. Step 6: Final answer
    x = 989,568.90

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Similar ratio
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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.