Home / 1,189,591.28-1,641,100.16-706,176.80

Finding the Fourth Proportional to 1,189,591.28, 1,641,100.16 and 706,176.80

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Solution

The fourth proportional to 1,189,591.28, 1,641,100.16 and 706,176.80 is: 974,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,591.28 : 1,641,100.16 = 706,176.80 : x
  2. Step 2: Convert to fraction form
    1,189,591.28/1,641,100.16 = 706,176.80/x
  3. Step 3: Cross multiply
    1,189,591.28x = 1,641,100.16 × 706,176.80
  4. Step 4: Simplify right side
    1,189,591.28x = 1,158,906,859,468.29
  5. Step 5: Solve for x
    x = 1,158,906,859,468.29/1,189,591.28
  6. Step 6: Final answer
    x = 974,205.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.