Home / 447,440.20-669,605.10-410,115.40

Finding the Fourth Proportional to 447,440.20, 669,605.10 and 410,115.40

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Solution

The fourth proportional to 447,440.20, 669,605.10 and 410,115.40 is: 613,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,440.20 : 669,605.10 = 410,115.40 : x
  2. Step 2: Convert to fraction form
    447,440.20/669,605.10 = 410,115.40/x
  3. Step 3: Cross multiply
    447,440.20x = 669,605.10 × 410,115.40
  4. Step 4: Simplify right side
    447,440.20x = 274,615,363,428.54
  5. Step 5: Solve for x
    x = 274,615,363,428.54/447,440.20
  6. Step 6: Final answer
    x = 613,747.63

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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.