Home / 962,500.31-1,328,351.46-720,359.31

Finding the Fourth Proportional to 962,500.31, 1,328,351.46 and 720,359.31

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Solution

The fourth proportional to 962,500.31, 1,328,351.46 and 720,359.31 is: 994,171.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,500.31 : 1,328,351.46 = 720,359.31 : x
  2. Step 2: Convert to fraction form
    962,500.31/1,328,351.46 = 720,359.31/x
  3. Step 3: Cross multiply
    962,500.31x = 1,328,351.46 × 720,359.31
  4. Step 4: Simplify right side
    962,500.31x = 956,890,341,163.09
  5. Step 5: Solve for x
    x = 956,890,341,163.09/962,500.31
  6. Step 6: Final answer
    x = 994,171.46

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1.5x scale

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.