Home / 1,353,209.59-2,029,569.11-543,561.38

Finding the Fourth Proportional to 1,353,209.59, 2,029,569.11 and 543,561.38

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Solution

The fourth proportional to 1,353,209.59, 2,029,569.11 and 543,561.38 is: 815,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,209.59 : 2,029,569.11 = 543,561.38 : x
  2. Step 2: Convert to fraction form
    1,353,209.59/2,029,569.11 = 543,561.38/x
  3. Step 3: Cross multiply
    1,353,209.59x = 2,029,569.11 × 543,561.38
  4. Step 4: Simplify right side
    1,353,209.59x = 1,103,195,394,436.89
  5. Step 5: Solve for x
    x = 1,103,195,394,436.89/1,353,209.59
  6. Step 6: Final answer
    x = 815,243.55

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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.