Home / 1,639,351.72-2,262,317.34-914,246.20

Finding the Fourth Proportional to 1,639,351.72, 2,262,317.34 and 914,246.20

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Solution

The fourth proportional to 1,639,351.72, 2,262,317.34 and 914,246.20 is: 1,261,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,351.72 : 2,262,317.34 = 914,246.20 : x
  2. Step 2: Convert to fraction form
    1,639,351.72/2,262,317.34 = 914,246.20/x
  3. Step 3: Cross multiply
    1,639,351.72x = 2,262,317.34 × 914,246.20
  4. Step 4: Simplify right side
    1,639,351.72x = 2,068,315,031,289.11
  5. Step 5: Solve for x
    x = 2,068,315,031,289.11/1,639,351.72
  6. Step 6: Final answer
    x = 1,261,666.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.