Home / 1,218,199.66-1,826,684.23-712,912.45

Finding the Fourth Proportional to 1,218,199.66, 1,826,684.23 and 712,912.45

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Solution

The fourth proportional to 1,218,199.66, 1,826,684.23 and 712,912.45 is: 1,069,008.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,199.66 : 1,826,684.23 = 712,912.45 : x
  2. Step 2: Convert to fraction form
    1,218,199.66/1,826,684.23 = 712,912.45/x
  3. Step 3: Cross multiply
    1,218,199.66x = 1,826,684.23 × 712,912.45
  4. Step 4: Simplify right side
    1,218,199.66x = 1,302,265,932,772.26
  5. Step 5: Solve for x
    x = 1,302,265,932,772.26/1,218,199.66
  6. Step 6: Final answer
    x = 1,069,008.61

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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.