Home / 945,840.65-1,418,721.28-440,227.71

Finding the Fourth Proportional to 945,840.65, 1,418,721.28 and 440,227.71

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Solution

The fourth proportional to 945,840.65, 1,418,721.28 and 440,227.71 is: 660,323.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,840.65 : 1,418,721.28 = 440,227.71 : x
  2. Step 2: Convert to fraction form
    945,840.65/1,418,721.28 = 440,227.71/x
  3. Step 3: Cross multiply
    945,840.65x = 1,418,721.28 × 440,227.71
  4. Step 4: Simplify right side
    945,840.65x = 624,560,419,122.10
  5. Step 5: Solve for x
    x = 624,560,419,122.10/945,840.65
  6. Step 6: Final answer
    x = 660,323.09

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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.