Home / 1,198,263.81-1,653,615.33-681,992.39

Finding the Fourth Proportional to 1,198,263.81, 1,653,615.33 and 681,992.39

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Solution

The fourth proportional to 1,198,263.81, 1,653,615.33 and 681,992.39 is: 941,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,263.81 : 1,653,615.33 = 681,992.39 : x
  2. Step 2: Convert to fraction form
    1,198,263.81/1,653,615.33 = 681,992.39/x
  3. Step 3: Cross multiply
    1,198,263.81x = 1,653,615.33 × 681,992.39
  4. Step 4: Simplify right side
    1,198,263.81x = 1,127,753,071,047.34
  5. Step 5: Solve for x
    x = 1,127,753,071,047.34/1,198,263.81
  6. Step 6: Final answer
    x = 941,155.91

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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.