Home / 1,198,050.20-1,653,317.28-654,189.78

Finding the Fourth Proportional to 1,198,050.20, 1,653,317.28 and 654,189.78

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Solution

The fourth proportional to 1,198,050.20, 1,653,317.28 and 654,189.78 is: 902,786.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,050.20 : 1,653,317.28 = 654,189.78 : x
  2. Step 2: Convert to fraction form
    1,198,050.20/1,653,317.28 = 654,189.78/x
  3. Step 3: Cross multiply
    1,198,050.20x = 1,653,317.28 × 654,189.78
  4. Step 4: Simplify right side
    1,198,050.20x = 1,081,583,264,402.45
  5. Step 5: Solve for x
    x = 1,081,583,264,402.45/1,198,050.20
  6. Step 6: Final answer
    x = 902,786.27

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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.