Home / 1,198,262.81-1,653,613.95-681,991.39

Finding the Fourth Proportional to 1,198,262.81, 1,653,613.95 and 681,991.39

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Solution

The fourth proportional to 1,198,262.81, 1,653,613.95 and 681,991.39 is: 941,154.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,262.81 : 1,653,613.95 = 681,991.39 : x
  2. Step 2: Convert to fraction form
    1,198,262.81/1,653,613.95 = 681,991.39/x
  3. Step 3: Cross multiply
    1,198,262.81x = 1,653,613.95 × 681,991.39
  4. Step 4: Simplify right side
    1,198,262.81x = 1,127,750,472,873.93
  5. Step 5: Solve for x
    x = 1,127,750,472,873.93/1,198,262.81
  6. Step 6: Final answer
    x = 941,154.53

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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.