Home / 413,891.20-571,376.55-270,869.73

Finding the Fourth Proportional to 413,891.20, 571,376.55 and 270,869.73

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Solution

The fourth proportional to 413,891.20, 571,376.55 and 270,869.73 is: 373,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,891.20 : 571,376.55 = 270,869.73 : x
  2. Step 2: Convert to fraction form
    413,891.20/571,376.55 = 270,869.73/x
  3. Step 3: Cross multiply
    413,891.20x = 571,376.55 × 270,869.73
  4. Step 4: Simplify right side
    413,891.20x = 154,768,611,826.83
  5. Step 5: Solve for x
    x = 154,768,611,826.83/413,891.20
  6. Step 6: Final answer
    x = 373,935.50

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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.