Home / 1,185,687.10-1,778,530.65-1,106,371.90

Finding the Fourth Proportional to 1,185,687.10, 1,778,530.65 and 1,106,371.90

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Solution

The fourth proportional to 1,185,687.10, 1,778,530.65 and 1,106,371.90 is: 1,659,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,687.10 : 1,778,530.65 = 1,106,371.90 : x
  2. Step 2: Convert to fraction form
    1,185,687.10/1,778,530.65 = 1,106,371.90/x
  3. Step 3: Cross multiply
    1,185,687.10x = 1,778,530.65 × 1,106,371.90
  4. Step 4: Simplify right side
    1,185,687.10x = 1,967,716,334,448.73
  5. Step 5: Solve for x
    x = 1,967,716,334,448.73/1,185,687.10
  6. Step 6: Final answer
    x = 1,659,557.85

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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.