Home / 1,778,910.60-2,667,444.30-656,401.80

Finding the Fourth Proportional to 1,778,910.60, 2,667,444.30 and 656,401.80

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Solution

The fourth proportional to 1,778,910.60, 2,667,444.30 and 656,401.80 is: 984,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,910.60 : 2,667,444.30 = 656,401.80 : x
  2. Step 2: Convert to fraction form
    1,778,910.60/2,667,444.30 = 656,401.80/x
  3. Step 3: Cross multiply
    1,778,910.60x = 2,667,444.30 × 656,401.80
  4. Step 4: Simplify right side
    1,778,910.60x = 1,750,915,239,919.74
  5. Step 5: Solve for x
    x = 1,750,915,239,919.74/1,778,910.60
  6. Step 6: Final answer
    x = 984,262.64

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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.