Home / 377,015.16-520,288.02-207,249.24

Finding the Fourth Proportional to 377,015.16, 520,288.02 and 207,249.24

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Solution

The fourth proportional to 377,015.16, 520,288.02 and 207,249.24 is: 286,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,015.16 : 520,288.02 = 207,249.24 : x
  2. Step 2: Convert to fraction form
    377,015.16/520,288.02 = 207,249.24/x
  3. Step 3: Cross multiply
    377,015.16x = 520,288.02 × 207,249.24
  4. Step 4: Simplify right side
    377,015.16x = 107,829,296,726.11
  5. Step 5: Solve for x
    x = 107,829,296,726.11/377,015.16
  6. Step 6: Final answer
    x = 286,007.85

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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.