Home / 1,330,498.60-1,995,747.90-656,902.60

Finding the Fourth Proportional to 1,330,498.60, 1,995,747.90 and 656,902.60

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Solution

The fourth proportional to 1,330,498.60, 1,995,747.90 and 656,902.60 is: 985,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,498.60 : 1,995,747.90 = 656,902.60 : x
  2. Step 2: Convert to fraction form
    1,330,498.60/1,995,747.90 = 656,902.60/x
  3. Step 3: Cross multiply
    1,330,498.60x = 1,995,747.90 × 656,902.60
  4. Step 4: Simplify right side
    1,330,498.60x = 1,311,011,984,454.54
  5. Step 5: Solve for x
    x = 1,311,011,984,454.54/1,330,498.60
  6. Step 6: Final answer
    x = 985,353.90

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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.