Home / 881,407.80-1,322,111.70-837,862.20

Finding the Fourth Proportional to 881,407.80, 1,322,111.70 and 837,862.20

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Solution

The fourth proportional to 881,407.80, 1,322,111.70 and 837,862.20 is: 1,256,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,407.80 : 1,322,111.70 = 837,862.20 : x
  2. Step 2: Convert to fraction form
    881,407.80/1,322,111.70 = 837,862.20/x
  3. Step 3: Cross multiply
    881,407.80x = 1,322,111.70 × 837,862.20
  4. Step 4: Simplify right side
    881,407.80x = 1,107,747,417,607.74
  5. Step 5: Solve for x
    x = 1,107,747,417,607.74/881,407.80
  6. Step 6: Final answer
    x = 1,256,793.30

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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.