Home / 1,115,226.78-1,539,019.35-605,933.34

Finding the Fourth Proportional to 1,115,226.78, 1,539,019.35 and 605,933.34

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Solution

The fourth proportional to 1,115,226.78, 1,539,019.35 and 605,933.34 is: 836,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,226.78 : 1,539,019.35 = 605,933.34 : x
  2. Step 2: Convert to fraction form
    1,115,226.78/1,539,019.35 = 605,933.34/x
  3. Step 3: Cross multiply
    1,115,226.78x = 1,539,019.35 × 605,933.34
  4. Step 4: Simplify right side
    1,115,226.78x = 932,543,135,070.13
  5. Step 5: Solve for x
    x = 932,543,135,070.13/1,115,226.78
  6. Step 6: Final answer
    x = 836,191.48

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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.