Home / 1,134,921.20-1,566,201.90-625,641.80

Finding the Fourth Proportional to 1,134,921.20, 1,566,201.90 and 625,641.80

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Solution

The fourth proportional to 1,134,921.20, 1,566,201.90 and 625,641.80 is: 863,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,921.20 : 1,566,201.90 = 625,641.80 : x
  2. Step 2: Convert to fraction form
    1,134,921.20/1,566,201.90 = 625,641.80/x
  3. Step 3: Cross multiply
    1,134,921.20x = 1,566,201.90 × 625,641.80
  4. Step 4: Simplify right side
    1,134,921.20x = 979,881,375,879.42
  5. Step 5: Solve for x
    x = 979,881,375,879.42/1,134,921.20
  6. Step 6: Final answer
    x = 863,391.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.