Home / 1,112,563.92-1,666,686.55-819,912.25

Finding the Fourth Proportional to 1,112,563.92, 1,666,686.55 and 819,912.25

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Solution

The fourth proportional to 1,112,563.92, 1,666,686.55 and 819,912.25 is: 1,228,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,563.92 : 1,666,686.55 = 819,912.25 : x
  2. Step 2: Convert to fraction form
    1,112,563.92/1,666,686.55 = 819,912.25/x
  3. Step 3: Cross multiply
    1,112,563.92x = 1,666,686.55 × 819,912.25
  4. Step 4: Simplify right side
    1,112,563.92x = 1,366,536,719,255.24
  5. Step 5: Solve for x
    x = 1,366,536,719,255.24/1,112,563.92
  6. Step 6: Final answer
    x = 1,228,277.04

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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.