Home / 1,198,765.19-1,654,328.43-715,610.75

Finding the Fourth Proportional to 1,198,765.19, 1,654,328.43 and 715,610.75

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Solution

The fourth proportional to 1,198,765.19, 1,654,328.43 and 715,610.75 is: 987,562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,765.19 : 1,654,328.43 = 715,610.75 : x
  2. Step 2: Convert to fraction form
    1,198,765.19/1,654,328.43 = 715,610.75/x
  3. Step 3: Cross multiply
    1,198,765.19x = 1,654,328.43 × 715,610.75
  4. Step 4: Simplify right side
    1,198,765.19x = 1,183,855,212,674.44
  5. Step 5: Solve for x
    x = 1,183,855,212,674.44/1,198,765.19
  6. Step 6: Final answer
    x = 987,562.22

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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.