Home / 1,331,272.20-1,995,596.10-656,801.40

Finding the Fourth Proportional to 1,331,272.20, 1,995,596.10 and 656,801.40

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Solution

The fourth proportional to 1,331,272.20, 1,995,596.10 and 656,801.40 is: 984,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,272.20 : 1,995,596.10 = 656,801.40 : x
  2. Step 2: Convert to fraction form
    1,331,272.20/1,995,596.10 = 656,801.40/x
  3. Step 3: Cross multiply
    1,331,272.20x = 1,995,596.10 × 656,801.40
  4. Step 4: Simplify right side
    1,331,272.20x = 1,310,710,312,314.54
  5. Step 5: Solve for x
    x = 1,310,710,312,314.54/1,331,272.20
  6. Step 6: Final answer
    x = 984,554.71

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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.