Home / 377,141.57-520,474.05-233,947.75

Finding the Fourth Proportional to 377,141.57, 520,474.05 and 233,947.75

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Solution

The fourth proportional to 377,141.57, 520,474.05 and 233,947.75 is: 322,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,141.57 : 520,474.05 = 233,947.75 : x
  2. Step 2: Convert to fraction form
    377,141.57/520,474.05 = 233,947.75/x
  3. Step 3: Cross multiply
    377,141.57x = 520,474.05 × 233,947.75
  4. Step 4: Simplify right side
    377,141.57x = 121,763,730,328.52
  5. Step 5: Solve for x
    x = 121,763,730,328.52/377,141.57
  6. Step 6: Final answer
    x = 322,859.48

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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.