Home / 898,390.29-1,346,063.42-542,656.97

Finding the Fourth Proportional to 898,390.29, 1,346,063.42 and 542,656.97

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Solution

The fourth proportional to 898,390.29, 1,346,063.42 and 542,656.97 is: 813,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,390.29 : 1,346,063.42 = 542,656.97 : x
  2. Step 2: Convert to fraction form
    898,390.29/1,346,063.42 = 542,656.97/x
  3. Step 3: Cross multiply
    898,390.29x = 1,346,063.42 × 542,656.97
  4. Step 4: Simplify right side
    898,390.29x = 730,450,693,546.66
  5. Step 5: Solve for x
    x = 730,450,693,546.66/898,390.29
  6. Step 6: Final answer
    x = 813,066.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.