Home / 945,147-1,418,377.20-384,182.04

Finding the Fourth Proportional to 945,147, 1,418,377.20 and 384,182.04

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Solution

The fourth proportional to 945,147, 1,418,377.20 and 384,182.04 is: 576,539.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,147 : 1,418,377.20 = 384,182.04 : x
  2. Step 2: Convert to fraction form
    945,147/1,418,377.20 = 384,182.04/x
  3. Step 3: Cross multiply
    945,147x = 1,418,377.20 × 384,182.04
  4. Step 4: Simplify right side
    945,147x = 544,915,046,185.49
  5. Step 5: Solve for x
    x = 544,915,046,185.49/945,147
  6. Step 6: Final answer
    x = 576,539.99

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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.