Home / 1,360,329.80-2,040,494.70-1,119,792.20

Finding the Fourth Proportional to 1,360,329.80, 2,040,494.70 and 1,119,792.20

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Solution

The fourth proportional to 1,360,329.80, 2,040,494.70 and 1,119,792.20 is: 1,679,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,329.80 : 2,040,494.70 = 1,119,792.20 : x
  2. Step 2: Convert to fraction form
    1,360,329.80/2,040,494.70 = 1,119,792.20/x
  3. Step 3: Cross multiply
    1,360,329.80x = 2,040,494.70 × 1,119,792.20
  4. Step 4: Simplify right side
    1,360,329.80x = 2,284,930,049,201.34
  5. Step 5: Solve for x
    x = 2,284,930,049,201.34/1,360,329.80
  6. Step 6: Final answer
    x = 1,679,688.30

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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.