Home / 898,081.34-1,239,352.28-612,101.02

Finding the Fourth Proportional to 898,081.34, 1,239,352.28 and 612,101.02

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Solution

The fourth proportional to 898,081.34, 1,239,352.28 and 612,101.02 is: 844,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,081.34 : 1,239,352.28 = 612,101.02 : x
  2. Step 2: Convert to fraction form
    898,081.34/1,239,352.28 = 612,101.02/x
  3. Step 3: Cross multiply
    898,081.34x = 1,239,352.28 × 612,101.02
  4. Step 4: Simplify right side
    898,081.34x = 758,608,794,727.33
  5. Step 5: Solve for x
    x = 758,608,794,727.33/898,081.34
  6. Step 6: Final answer
    x = 844,699.43

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Double scale
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1.5x scale

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.