Home / 1,353,614.90-1,867,988.86-809,773.34

Finding the Fourth Proportional to 1,353,614.90, 1,867,988.86 and 809,773.34

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Solution

The fourth proportional to 1,353,614.90, 1,867,988.86 and 809,773.34 is: 1,117,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,614.90 : 1,867,988.86 = 809,773.34 : x
  2. Step 2: Convert to fraction form
    1,353,614.90/1,867,988.86 = 809,773.34/x
  3. Step 3: Cross multiply
    1,353,614.90x = 1,867,988.86 × 809,773.34
  4. Step 4: Simplify right side
    1,353,614.90x = 1,512,647,566,880.61
  5. Step 5: Solve for x
    x = 1,512,647,566,880.61/1,353,614.90
  6. Step 6: Final answer
    x = 1,117,487.38

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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.