Home / 778,249.98-1,073,576.46-633,217.90

Finding the Fourth Proportional to 778,249.98, 1,073,576.46 and 633,217.90

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Solution

The fourth proportional to 778,249.98, 1,073,576.46 and 633,217.90 is: 873,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,249.98 : 1,073,576.46 = 633,217.90 : x
  2. Step 2: Convert to fraction form
    778,249.98/1,073,576.46 = 633,217.90/x
  3. Step 3: Cross multiply
    778,249.98x = 1,073,576.46 × 633,217.90
  4. Step 4: Simplify right side
    778,249.98x = 679,807,831,490.63
  5. Step 5: Solve for x
    x = 679,807,831,490.63/778,249.98
  6. Step 6: Final answer
    x = 873,508.32

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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.