Home / 1,343,353.85-2,015,818.09-963,865.61

Finding the Fourth Proportional to 1,343,353.85, 2,015,818.09 and 963,865.61

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Solution

The fourth proportional to 1,343,353.85, 2,015,818.09 and 963,865.61 is: 1,446,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,353.85 : 2,015,818.09 = 963,865.61 : x
  2. Step 2: Convert to fraction form
    1,343,353.85/2,015,818.09 = 963,865.61/x
  3. Step 3: Cross multiply
    1,343,353.85x = 2,015,818.09 × 963,865.61
  4. Step 4: Simplify right side
    1,343,353.85x = 1,942,977,720,478.13
  5. Step 5: Solve for x
    x = 1,942,977,720,478.13/1,343,353.85
  6. Step 6: Final answer
    x = 1,446,363.32

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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.