Home / 898,081.85-1,239,352.96-612,101.53

Finding the Fourth Proportional to 898,081.85, 1,239,352.96 and 612,101.53

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Solution

The fourth proportional to 898,081.85, 1,239,352.96 and 612,101.53 is: 844,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,081.85 : 1,239,352.96 = 612,101.53 : x
  2. Step 2: Convert to fraction form
    898,081.85/1,239,352.96 = 612,101.53/x
  3. Step 3: Cross multiply
    898,081.85x = 1,239,352.96 × 612,101.53
  4. Step 4: Simplify right side
    898,081.85x = 758,609,843,026.03
  5. Step 5: Solve for x
    x = 758,609,843,026.03/898,081.85
  6. Step 6: Final answer
    x = 844,700.12

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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.