Home / 336,675.20-464,611.55-215,816.45

Finding the Fourth Proportional to 336,675.20, 464,611.55 and 215,816.45

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Solution

The fourth proportional to 336,675.20, 464,611.55 and 215,816.45 is: 297,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,675.20 : 464,611.55 = 215,816.45 : x
  2. Step 2: Convert to fraction form
    336,675.20/464,611.55 = 215,816.45/x
  3. Step 3: Cross multiply
    336,675.20x = 464,611.55 × 215,816.45
  4. Step 4: Simplify right side
    336,675.20x = 100,270,811,947.86
  5. Step 5: Solve for x
    x = 100,270,811,947.86/336,675.20
  6. Step 6: Final answer
    x = 297,826.55

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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.