Home / 878,698.44-1,212,371.28-516,006.36

Finding the Fourth Proportional to 878,698.44, 1,212,371.28 and 516,006.36

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Solution

The fourth proportional to 878,698.44, 1,212,371.28 and 516,006.36 is: 711,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,698.44 : 1,212,371.28 = 516,006.36 : x
  2. Step 2: Convert to fraction form
    878,698.44/1,212,371.28 = 516,006.36/x
  3. Step 3: Cross multiply
    878,698.44x = 1,212,371.28 × 516,006.36
  4. Step 4: Simplify right side
    878,698.44x = 625,591,291,161.34
  5. Step 5: Solve for x
    x = 625,591,291,161.34/878,698.44
  6. Step 6: Final answer
    x = 711,952.20

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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.