Home / 1,138,162.52-1,570,661.06-628,861.26

Finding the Fourth Proportional to 1,138,162.52, 1,570,661.06 and 628,861.26

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Solution

The fourth proportional to 1,138,162.52, 1,570,661.06 and 628,861.26 is: 867,826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,162.52 : 1,570,661.06 = 628,861.26 : x
  2. Step 2: Convert to fraction form
    1,138,162.52/1,570,661.06 = 628,861.26/x
  3. Step 3: Cross multiply
    1,138,162.52x = 1,570,661.06 × 628,861.26
  4. Step 4: Simplify right side
    1,138,162.52x = 987,727,893,224.54
  5. Step 5: Solve for x
    x = 987,727,893,224.54/1,138,162.52
  6. Step 6: Final answer
    x = 867,826.76

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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.