Home / 377,133.45-520,442.46-207,367.17

Finding the Fourth Proportional to 377,133.45, 520,442.46 and 207,367.17

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Solution

The fourth proportional to 377,133.45, 520,442.46 and 207,367.17 is: 286,165.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,133.45 : 520,442.46 = 207,367.17 : x
  2. Step 2: Convert to fraction form
    377,133.45/520,442.46 = 207,367.17/x
  3. Step 3: Cross multiply
    377,133.45x = 520,442.46 × 207,367.17
  4. Step 4: Simplify right side
    377,133.45x = 107,922,680,078.04
  5. Step 5: Solve for x
    x = 107,922,680,078.04/377,133.45
  6. Step 6: Final answer
    x = 286,165.76

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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.