Home / 1,328,156.49-1,992,617.46-654,440.34

Finding the Fourth Proportional to 1,328,156.49, 1,992,617.46 and 654,440.34

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Solution

The fourth proportional to 1,328,156.49, 1,992,617.46 and 654,440.34 is: 981,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,156.49 : 1,992,617.46 = 654,440.34 : x
  2. Step 2: Convert to fraction form
    1,328,156.49/1,992,617.46 = 654,440.34/x
  3. Step 3: Cross multiply
    1,328,156.49x = 1,992,617.46 × 654,440.34
  4. Step 4: Simplify right side
    1,328,156.49x = 1,304,049,248,012.34
  5. Step 5: Solve for x
    x = 1,304,049,248,012.34/1,328,156.49
  6. Step 6: Final answer
    x = 981,849.10

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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.