Home / 1,134,919.20-1,566,199.14-625,639.80

Finding the Fourth Proportional to 1,134,919.20, 1,566,199.14 and 625,639.80

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Solution

The fourth proportional to 1,134,919.20, 1,566,199.14 and 625,639.80 is: 863,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,919.20 : 1,566,199.14 = 625,639.80 : x
  2. Step 2: Convert to fraction form
    1,134,919.20/1,566,199.14 = 625,639.80/x
  3. Step 3: Cross multiply
    1,134,919.20x = 1,566,199.14 × 625,639.80
  4. Step 4: Simplify right side
    1,134,919.20x = 979,876,516,709.77
  5. Step 5: Solve for x
    x = 979,876,516,709.77/1,134,919.20
  6. Step 6: Final answer
    x = 863,388.79

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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.