Home / 1,178,170.62-1,625,896.96-654,930.37

Finding the Fourth Proportional to 1,178,170.62, 1,625,896.96 and 654,930.37

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Solution

The fourth proportional to 1,178,170.62, 1,625,896.96 and 654,930.37 is: 903,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,170.62 : 1,625,896.96 = 654,930.37 : x
  2. Step 2: Convert to fraction form
    1,178,170.62/1,625,896.96 = 654,930.37/x
  3. Step 3: Cross multiply
    1,178,170.62x = 1,625,896.96 × 654,930.37
  4. Step 4: Simplify right side
    1,178,170.62x = 1,064,849,291,892.61
  5. Step 5: Solve for x
    x = 1,064,849,291,892.61/1,178,170.62
  6. Step 6: Final answer
    x = 903,815.86

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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.