Home / 376,850.06-520,057.18-207,084.16

Finding the Fourth Proportional to 376,850.06, 520,057.18 and 207,084.16

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Solution

The fourth proportional to 376,850.06, 520,057.18 and 207,084.16 is: 285,778.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,850.06 : 520,057.18 = 207,084.16 : x
  2. Step 2: Convert to fraction form
    376,850.06/520,057.18 = 207,084.16/x
  3. Step 3: Cross multiply
    376,850.06x = 520,057.18 × 207,084.16
  4. Step 4: Simplify right side
    376,850.06x = 107,695,604,272.27
  5. Step 5: Solve for x
    x = 107,695,604,272.27/376,850.06
  6. Step 6: Final answer
    x = 285,778.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.