Home / 437,307.12-655,735.50-200,446.92

Finding the Fourth Proportional to 437,307.12, 655,735.50 and 200,446.92

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Solution

The fourth proportional to 437,307.12, 655,735.50 and 200,446.92 is: 300,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,307.12 : 655,735.50 = 200,446.92 : x
  2. Step 2: Convert to fraction form
    437,307.12/655,735.50 = 200,446.92/x
  3. Step 3: Cross multiply
    437,307.12x = 655,735.50 × 200,446.92
  4. Step 4: Simplify right side
    437,307.12x = 131,440,161,309.66
  5. Step 5: Solve for x
    x = 131,440,161,309.66/437,307.12
  6. Step 6: Final answer
    x = 300,567.17

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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.