Home / 1,611,229.40-2,223,445.65-886,074.87

Finding the Fourth Proportional to 1,611,229.40, 2,223,445.65 and 886,074.87

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Solution

The fourth proportional to 1,611,229.40, 2,223,445.65 and 886,074.87 is: 1,222,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,229.40 : 2,223,445.65 = 886,074.87 : x
  2. Step 2: Convert to fraction form
    1,611,229.40/2,223,445.65 = 886,074.87/x
  3. Step 3: Cross multiply
    1,611,229.40x = 2,223,445.65 × 886,074.87
  4. Step 4: Simplify right side
    1,611,229.40x = 1,970,139,315,275.82
  5. Step 5: Solve for x
    x = 1,970,139,315,275.82/1,611,229.40
  6. Step 6: Final answer
    x = 1,222,755.32

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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.