Home / 1,322,200.80-1,983,301.20-1,088,920.80

Finding the Fourth Proportional to 1,322,200.80, 1,983,301.20 and 1,088,920.80

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Solution

The fourth proportional to 1,322,200.80, 1,983,301.20 and 1,088,920.80 is: 1,633,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,200.80 : 1,983,301.20 = 1,088,920.80 : x
  2. Step 2: Convert to fraction form
    1,322,200.80/1,983,301.20 = 1,088,920.80/x
  3. Step 3: Cross multiply
    1,322,200.80x = 1,983,301.20 × 1,088,920.80
  4. Step 4: Simplify right side
    1,322,200.80x = 2,159,657,929,344.96
  5. Step 5: Solve for x
    x = 2,159,657,929,344.96/1,322,200.80
  6. Step 6: Final answer
    x = 1,633,381.20

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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.