Home / 1,138,098.06-1,570,607.19-628,833.42

Finding the Fourth Proportional to 1,138,098.06, 1,570,607.19 and 628,833.42

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Solution

The fourth proportional to 1,138,098.06, 1,570,607.19 and 628,833.42 is: 867,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,098.06 : 1,570,607.19 = 628,833.42 : x
  2. Step 2: Convert to fraction form
    1,138,098.06/1,570,607.19 = 628,833.42/x
  3. Step 3: Cross multiply
    1,138,098.06x = 1,570,607.19 × 628,833.42
  4. Step 4: Simplify right side
    1,138,098.06x = 987,650,290,764.29
  5. Step 5: Solve for x
    x = 987,650,290,764.29/1,138,098.06
  6. Step 6: Final answer
    x = 867,807.73

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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.