Home / 1,319,812.27-1,821,340.94-716,200.27

Finding the Fourth Proportional to 1,319,812.27, 1,821,340.94 and 716,200.27

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Solution

The fourth proportional to 1,319,812.27, 1,821,340.94 and 716,200.27 is: 988,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,812.27 : 1,821,340.94 = 716,200.27 : x
  2. Step 2: Convert to fraction form
    1,319,812.27/1,821,340.94 = 716,200.27/x
  3. Step 3: Cross multiply
    1,319,812.27x = 1,821,340.94 × 716,200.27
  4. Step 4: Simplify right side
    1,319,812.27x = 1,304,444,871,685.73
  5. Step 5: Solve for x
    x = 1,304,444,871,685.73/1,319,812.27
  6. Step 6: Final answer
    x = 988,356.37

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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.