Home / 1,299,214.61-1,792,927.78-718,476.81

Finding the Fourth Proportional to 1,299,214.61, 1,792,927.78 and 718,476.81

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Solution

The fourth proportional to 1,299,214.61, 1,792,927.78 and 718,476.81 is: 991,504.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,214.61 : 1,792,927.78 = 718,476.81 : x
  2. Step 2: Convert to fraction form
    1,299,214.61/1,792,927.78 = 718,476.81/x
  3. Step 3: Cross multiply
    1,299,214.61x = 1,792,927.78 × 718,476.81
  4. Step 4: Simplify right side
    1,299,214.61x = 1,288,177,034,173.90
  5. Step 5: Solve for x
    x = 1,288,177,034,173.90/1,299,214.61
  6. Step 6: Final answer
    x = 991,504.43

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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.