Home / 1,111,577.32-1,667,399.94-769,686.04

Finding the Fourth Proportional to 1,111,577.32, 1,667,399.94 and 769,686.04

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Solution

The fourth proportional to 1,111,577.32, 1,667,399.94 and 769,686.04 is: 1,154,552.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,577.32 : 1,667,399.94 = 769,686.04 : x
  2. Step 2: Convert to fraction form
    1,111,577.32/1,667,399.94 = 769,686.04/x
  3. Step 3: Cross multiply
    1,111,577.32x = 1,667,399.94 × 769,686.04
  4. Step 4: Simplify right side
    1,111,577.32x = 1,283,374,456,914.84
  5. Step 5: Solve for x
    x = 1,283,374,456,914.84/1,111,577.32
  6. Step 6: Final answer
    x = 1,154,552.57

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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.