Home / 774,571.16-1,068,476.64-719,770.70

Finding the Fourth Proportional to 774,571.16, 1,068,476.64 and 719,770.70

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Solution

The fourth proportional to 774,571.16, 1,068,476.64 and 719,770.70 is: 992,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,571.16 : 1,068,476.64 = 719,770.70 : x
  2. Step 2: Convert to fraction form
    774,571.16/1,068,476.64 = 719,770.70/x
  3. Step 3: Cross multiply
    774,571.16x = 1,068,476.64 × 719,770.70
  4. Step 4: Simplify right side
    774,571.16x = 769,058,179,106.45
  5. Step 5: Solve for x
    x = 769,058,179,106.45/774,571.16
  6. Step 6: Final answer
    x = 992,882.54

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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.