Home / 1,943,755.32-2,915,611.92-664,350.60

Finding the Fourth Proportional to 1,943,755.32, 2,915,611.92 and 664,350.60

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Solution

The fourth proportional to 1,943,755.32, 2,915,611.92 and 664,350.60 is: 996,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,755.32 : 2,915,611.92 = 664,350.60 : x
  2. Step 2: Convert to fraction form
    1,943,755.32/2,915,611.92 = 664,350.60/x
  3. Step 3: Cross multiply
    1,943,755.32x = 2,915,611.92 × 664,350.60
  4. Step 4: Simplify right side
    1,943,755.32x = 1,936,988,528,419.15
  5. Step 5: Solve for x
    x = 1,936,988,528,419.15/1,943,755.32
  6. Step 6: Final answer
    x = 996,518.70

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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.