Home / 579,743.80-869,745.30-224,726.20

Finding the Fourth Proportional to 579,743.80, 869,745.30 and 224,726.20

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Solution

The fourth proportional to 579,743.80, 869,745.30 and 224,726.20 is: 337,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,743.80 : 869,745.30 = 224,726.20 : x
  2. Step 2: Convert to fraction form
    579,743.80/869,745.30 = 224,726.20/x
  3. Step 3: Cross multiply
    579,743.80x = 869,745.30 × 224,726.20
  4. Step 4: Simplify right side
    579,743.80x = 195,454,556,236.86
  5. Step 5: Solve for x
    x = 195,454,556,236.86/579,743.80
  6. Step 6: Final answer
    x = 337,139.54

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1.5x scale

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.