Home / 1,083,892.14-1,496,019.96-721,331.28

Finding the Fourth Proportional to 1,083,892.14, 1,496,019.96 and 721,331.28

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Solution

The fourth proportional to 1,083,892.14, 1,496,019.96 and 721,331.28 is: 995,602.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,892.14 : 1,496,019.96 = 721,331.28 : x
  2. Step 2: Convert to fraction form
    1,083,892.14/1,496,019.96 = 721,331.28/x
  3. Step 3: Cross multiply
    1,083,892.14x = 1,496,019.96 × 721,331.28
  4. Step 4: Simplify right side
    1,083,892.14x = 1,079,125,992,652.35
  5. Step 5: Solve for x
    x = 1,079,125,992,652.35/1,083,892.14
  6. Step 6: Final answer
    x = 995,602.75

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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.