Home / 1,331,163.60-1,995,384.60-656,206.80

Finding the Fourth Proportional to 1,331,163.60, 1,995,384.60 and 656,206.80

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Solution

The fourth proportional to 1,331,163.60, 1,995,384.60 and 656,206.80 is: 983,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,163.60 : 1,995,384.60 = 656,206.80 : x
  2. Step 2: Convert to fraction form
    1,331,163.60/1,995,384.60 = 656,206.80/x
  3. Step 3: Cross multiply
    1,331,163.60x = 1,995,384.60 × 656,206.80
  4. Step 4: Simplify right side
    1,331,163.60x = 1,309,384,943,135.28
  5. Step 5: Solve for x
    x = 1,309,384,943,135.28/1,331,163.60
  6. Step 6: Final answer
    x = 983,639.38

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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.