Home / 1,206,660.17-1,807,540.81-939,321.29

Finding the Fourth Proportional to 1,206,660.17, 1,807,540.81 and 939,321.29

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Solution

The fourth proportional to 1,206,660.17, 1,807,540.81 and 939,321.29 is: 1,407,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,660.17 : 1,807,540.81 = 939,321.29 : x
  2. Step 2: Convert to fraction form
    1,206,660.17/1,807,540.81 = 939,321.29/x
  3. Step 3: Cross multiply
    1,206,660.17x = 1,807,540.81 × 939,321.29
  4. Step 4: Simplify right side
    1,206,660.17x = 1,697,861,565,376.85
  5. Step 5: Solve for x
    x = 1,697,861,565,376.85/1,206,660.17
  6. Step 6: Final answer
    x = 1,407,075.17

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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.