Home / 435,748.80-653,623.20-199,552.80

Finding the Fourth Proportional to 435,748.80, 653,623.20 and 199,552.80

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Solution

The fourth proportional to 435,748.80, 653,623.20 and 199,552.80 is: 299,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,748.80 : 653,623.20 = 199,552.80 : x
  2. Step 2: Convert to fraction form
    435,748.80/653,623.20 = 199,552.80/x
  3. Step 3: Cross multiply
    435,748.80x = 653,623.20 × 199,552.80
  4. Step 4: Simplify right side
    435,748.80x = 130,432,339,704.96
  5. Step 5: Solve for x
    x = 130,432,339,704.96/435,748.80
  6. Step 6: Final answer
    x = 299,329.20

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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.