Home / 1,861,982.80-2,792,318.10-663,944.20

Finding the Fourth Proportional to 1,861,982.80, 2,792,318.10 and 663,944.20

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Solution

The fourth proportional to 1,861,982.80, 2,792,318.10 and 663,944.20 is: 995,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,982.80 : 2,792,318.10 = 663,944.20 : x
  2. Step 2: Convert to fraction form
    1,861,982.80/2,792,318.10 = 663,944.20/x
  3. Step 3: Cross multiply
    1,861,982.80x = 2,792,318.10 × 663,944.20
  4. Step 4: Simplify right side
    1,861,982.80x = 1,853,943,407,050.02
  5. Step 5: Solve for x
    x = 1,853,943,407,050.02/1,861,982.80
  6. Step 6: Final answer
    x = 995,682.35

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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.