Home / 2,665,600.20-3,998,400.30-772,403.40

Finding the Fourth Proportional to 2,665,600.20, 3,998,400.30 and 772,403.40

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Solution

The fourth proportional to 2,665,600.20, 3,998,400.30 and 772,403.40 is: 1,158,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,600.20 : 3,998,400.30 = 772,403.40 : x
  2. Step 2: Convert to fraction form
    2,665,600.20/3,998,400.30 = 772,403.40/x
  3. Step 3: Cross multiply
    2,665,600.20x = 3,998,400.30 × 772,403.40
  4. Step 4: Simplify right side
    2,665,600.20x = 3,088,377,986,281.02
  5. Step 5: Solve for x
    x = 3,088,377,986,281.02/2,665,600.20
  6. Step 6: Final answer
    x = 1,158,605.10

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1.5x scale

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.