Home / 1,240,992.24-1,861,787.52-431,259

Finding the Fourth Proportional to 1,240,992.24, 1,861,787.52 and 431,259

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Solution

The fourth proportional to 1,240,992.24, 1,861,787.52 and 431,259 is: 646,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,992.24 : 1,861,787.52 = 431,259 : x
  2. Step 2: Convert to fraction form
    1,240,992.24/1,861,787.52 = 431,259/x
  3. Step 3: Cross multiply
    1,240,992.24x = 1,861,787.52 × 431,259
  4. Step 4: Simplify right side
    1,240,992.24x = 802,912,624,087.68
  5. Step 5: Solve for x
    x = 802,912,624,087.68/1,240,992.24
  6. Step 6: Final answer
    x = 646,992.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.