Home / 1,227,336.69-1,692,852.17-819,232.77

Finding the Fourth Proportional to 1,227,336.69, 1,692,852.17 and 819,232.77

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Solution

The fourth proportional to 1,227,336.69, 1,692,852.17 and 819,232.77 is: 1,129,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,336.69 : 1,692,852.17 = 819,232.77 : x
  2. Step 2: Convert to fraction form
    1,227,336.69/1,692,852.17 = 819,232.77/x
  3. Step 3: Cross multiply
    1,227,336.69x = 1,692,852.17 × 819,232.77
  4. Step 4: Simplify right side
    1,227,336.69x = 1,386,839,968,333.45
  5. Step 5: Solve for x
    x = 1,386,839,968,333.45/1,227,336.69
  6. Step 6: Final answer
    x = 1,129,958.86

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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.