Home / 1,727,288.80-2,593,178.29-1,328,209.76

Finding the Fourth Proportional to 1,727,288.80, 2,593,178.29 and 1,328,209.76

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Solution

The fourth proportional to 1,727,288.80, 2,593,178.29 and 1,328,209.76 is: 1,994,041.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727,288.80 : 2,593,178.29 = 1,328,209.76 : x
  2. Step 2: Convert to fraction form
    1,727,288.80/2,593,178.29 = 1,328,209.76/x
  3. Step 3: Cross multiply
    1,727,288.80x = 2,593,178.29 × 1,328,209.76
  4. Step 4: Simplify right side
    1,727,288.80x = 3,444,284,714,198.11
  5. Step 5: Solve for x
    x = 3,444,284,714,198.11/1,727,288.80
  6. Step 6: Final answer
    x = 1,994,041.02

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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.