Home / 1,223,026.80-1,834,540.20-656,156.40

Finding the Fourth Proportional to 1,223,026.80, 1,834,540.20 and 656,156.40

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Solution

The fourth proportional to 1,223,026.80, 1,834,540.20 and 656,156.40 is: 984,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,026.80 : 1,834,540.20 = 656,156.40 : x
  2. Step 2: Convert to fraction form
    1,223,026.80/1,834,540.20 = 656,156.40/x
  3. Step 3: Cross multiply
    1,223,026.80x = 1,834,540.20 × 656,156.40
  4. Step 4: Simplify right side
    1,223,026.80x = 1,203,745,293,287.28
  5. Step 5: Solve for x
    x = 1,203,745,293,287.28/1,223,026.80
  6. Step 6: Final answer
    x = 984,234.60

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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.