Home / 847,237.20-1,271,147.40-531,324.24

Finding the Fourth Proportional to 847,237.20, 1,271,147.40 and 531,324.24

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Solution

The fourth proportional to 847,237.20, 1,271,147.40 and 531,324.24 is: 797,169.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,237.20 : 1,271,147.40 = 531,324.24 : x
  2. Step 2: Convert to fraction form
    847,237.20/1,271,147.40 = 531,324.24/x
  3. Step 3: Cross multiply
    847,237.20x = 1,271,147.40 × 531,324.24
  4. Step 4: Simplify right side
    847,237.20x = 675,391,426,232.98
  5. Step 5: Solve for x
    x = 675,391,426,232.98/847,237.20
  6. Step 6: Final answer
    x = 797,169.23

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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.