Home / 1,340,282.30-2,010,423.45-1,074,561.80

Finding the Fourth Proportional to 1,340,282.30, 2,010,423.45 and 1,074,561.80

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Solution

The fourth proportional to 1,340,282.30, 2,010,423.45 and 1,074,561.80 is: 1,611,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,282.30 : 2,010,423.45 = 1,074,561.80 : x
  2. Step 2: Convert to fraction form
    1,340,282.30/2,010,423.45 = 1,074,561.80/x
  3. Step 3: Cross multiply
    1,340,282.30x = 2,010,423.45 × 1,074,561.80
  4. Step 4: Simplify right side
    1,340,282.30x = 2,160,324,241,194.21
  5. Step 5: Solve for x
    x = 2,160,324,241,194.21/1,340,282.30
  6. Step 6: Final answer
    x = 1,611,842.70

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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.