Home / 1,198,111.74-1,653,402.33-654,251.46

Finding the Fourth Proportional to 1,198,111.74, 1,653,402.33 and 654,251.46

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Solution

The fourth proportional to 1,198,111.74, 1,653,402.33 and 654,251.46 is: 902,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,111.74 : 1,653,402.33 = 654,251.46 : x
  2. Step 2: Convert to fraction form
    1,198,111.74/1,653,402.33 = 654,251.46/x
  3. Step 3: Cross multiply
    1,198,111.74x = 1,653,402.33 × 654,251.46
  4. Step 4: Simplify right side
    1,198,111.74x = 1,081,740,888,369.90
  5. Step 5: Solve for x
    x = 1,081,740,888,369.90/1,198,111.74
  6. Step 6: Final answer
    x = 902,871.45

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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.