Home / 377,040.20-520,302.26-207,273.10

Finding the Fourth Proportional to 377,040.20, 520,302.26 and 207,273.10

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Solution

The fourth proportional to 377,040.20, 520,302.26 and 207,273.10 is: 286,029.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,040.20 : 520,302.26 = 207,273.10 : x
  2. Step 2: Convert to fraction form
    377,040.20/520,302.26 = 207,273.10/x
  3. Step 3: Cross multiply
    377,040.20x = 520,302.26 × 207,273.10
  4. Step 4: Simplify right side
    377,040.20x = 107,844,662,367.21
  5. Step 5: Solve for x
    x = 107,844,662,367.21/377,040.20
  6. Step 6: Final answer
    x = 286,029.61

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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.