Home / 1,311,777.56-1,963,222.12-806,658.47

Finding the Fourth Proportional to 1,311,777.56, 1,963,222.12 and 806,658.47

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Solution

The fourth proportional to 1,311,777.56, 1,963,222.12 and 806,658.47 is: 1,207,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,777.56 : 1,963,222.12 = 806,658.47 : x
  2. Step 2: Convert to fraction form
    1,311,777.56/1,963,222.12 = 806,658.47/x
  3. Step 3: Cross multiply
    1,311,777.56x = 1,963,222.12 × 806,658.47
  4. Step 4: Simplify right side
    1,311,777.56x = 1,583,649,754,480.77
  5. Step 5: Solve for x
    x = 1,583,649,754,480.77/1,311,777.56
  6. Step 6: Final answer
    x = 1,207,254.80

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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.