Home / 1,042,901.56-1,439,104.62-828,560.44

Finding the Fourth Proportional to 1,042,901.56, 1,439,104.62 and 828,560.44

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Solution

The fourth proportional to 1,042,901.56, 1,439,104.62 and 828,560.44 is: 1,143,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,901.56 : 1,439,104.62 = 828,560.44 : x
  2. Step 2: Convert to fraction form
    1,042,901.56/1,439,104.62 = 828,560.44/x
  3. Step 3: Cross multiply
    1,042,901.56x = 1,439,104.62 × 828,560.44
  4. Step 4: Simplify right side
    1,042,901.56x = 1,192,385,157,153.23
  5. Step 5: Solve for x
    x = 1,192,385,157,153.23/1,042,901.56
  6. Step 6: Final answer
    x = 1,143,334.33

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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.