Home / 693,600.40-1,040,400.60-361,133.20

Finding the Fourth Proportional to 693,600.40, 1,040,400.60 and 361,133.20

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Solution

The fourth proportional to 693,600.40, 1,040,400.60 and 361,133.20 is: 541,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,600.40 : 1,040,400.60 = 361,133.20 : x
  2. Step 2: Convert to fraction form
    693,600.40/1,040,400.60 = 361,133.20/x
  3. Step 3: Cross multiply
    693,600.40x = 1,040,400.60 × 361,133.20
  4. Step 4: Simplify right side
    693,600.40x = 375,723,197,959.92
  5. Step 5: Solve for x
    x = 375,723,197,959.92/693,600.40
  6. Step 6: Final answer
    x = 541,699.80

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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.