Home / 377,004.15-520,259.85-207,234.63

Finding the Fourth Proportional to 377,004.15, 520,259.85 and 207,234.63

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Solution

The fourth proportional to 377,004.15, 520,259.85 and 207,234.63 is: 285,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,004.15 : 520,259.85 = 207,234.63 : x
  2. Step 2: Convert to fraction form
    377,004.15/520,259.85 = 207,234.63/x
  3. Step 3: Cross multiply
    377,004.15x = 520,259.85 × 207,234.63
  4. Step 4: Simplify right side
    377,004.15x = 107,815,857,518.61
  5. Step 5: Solve for x
    x = 107,815,857,518.61/377,004.15
  6. Step 6: Final answer
    x = 285,980.56

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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.