Home / 826,205.81-1,238,144.94-656,974.94

Finding the Fourth Proportional to 826,205.81, 1,238,144.94 and 656,974.94

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Solution

The fourth proportional to 826,205.81, 1,238,144.94 and 656,974.94 is: 984,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,205.81 : 1,238,144.94 = 656,974.94 : x
  2. Step 2: Convert to fraction form
    826,205.81/1,238,144.94 = 656,974.94/x
  3. Step 3: Cross multiply
    826,205.81x = 1,238,144.94 × 656,974.94
  4. Step 4: Simplify right side
    826,205.81x = 813,430,191,477.08
  5. Step 5: Solve for x
    x = 813,430,191,477.08/826,205.81
  6. Step 6: Final answer
    x = 984,537.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.