Home / 997,640.80-1,496,461.20-682,712.80

Finding the Fourth Proportional to 997,640.80, 1,496,461.20 and 682,712.80

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Solution

The fourth proportional to 997,640.80, 1,496,461.20 and 682,712.80 is: 1,024,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,640.80 : 1,496,461.20 = 682,712.80 : x
  2. Step 2: Convert to fraction form
    997,640.80/1,496,461.20 = 682,712.80/x
  3. Step 3: Cross multiply
    997,640.80x = 1,496,461.20 × 682,712.80
  4. Step 4: Simplify right side
    997,640.80x = 1,021,653,215,943.36
  5. Step 5: Solve for x
    x = 1,021,653,215,943.36/997,640.80
  6. Step 6: Final answer
    x = 1,024,069.20

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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.