Home / 857,558.80-1,294,120.15-828,972.82

Finding the Fourth Proportional to 857,558.80, 1,294,120.15 and 828,972.82

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Solution

The fourth proportional to 857,558.80, 1,294,120.15 and 828,972.82 is: 1,250,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,558.80 : 1,294,120.15 = 828,972.82 : x
  2. Step 2: Convert to fraction form
    857,558.80/1,294,120.15 = 828,972.82/x
  3. Step 3: Cross multiply
    857,558.80x = 1,294,120.15 × 828,972.82
  4. Step 4: Simplify right side
    857,558.80x = 1,072,790,430,164.32
  5. Step 5: Solve for x
    x = 1,072,790,430,164.32/857,558.80
  6. Step 6: Final answer
    x = 1,250,981.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.