Home / 1,657,453.60-2,486,180.40-858,979.90

Finding the Fourth Proportional to 1,657,453.60, 2,486,180.40 and 858,979.90

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Solution

The fourth proportional to 1,657,453.60, 2,486,180.40 and 858,979.90 is: 1,288,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,453.60 : 2,486,180.40 = 858,979.90 : x
  2. Step 2: Convert to fraction form
    1,657,453.60/2,486,180.40 = 858,979.90/x
  3. Step 3: Cross multiply
    1,657,453.60x = 2,486,180.40 × 858,979.90
  4. Step 4: Simplify right side
    1,657,453.60x = 2,135,578,991,373.96
  5. Step 5: Solve for x
    x = 2,135,578,991,373.96/1,657,453.60
  6. Step 6: Final answer
    x = 1,288,469.85

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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.