Home / 694,974.80-1,042,462.20-684,477.20

Finding the Fourth Proportional to 694,974.80, 1,042,462.20 and 684,477.20

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Solution

The fourth proportional to 694,974.80, 1,042,462.20 and 684,477.20 is: 1,026,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,974.80 : 1,042,462.20 = 684,477.20 : x
  2. Step 2: Convert to fraction form
    694,974.80/1,042,462.20 = 684,477.20/x
  3. Step 3: Cross multiply
    694,974.80x = 1,042,462.20 × 684,477.20
  4. Step 4: Simplify right side
    694,974.80x = 713,541,607,761.84
  5. Step 5: Solve for x
    x = 713,541,607,761.84/694,974.80
  6. Step 6: Final answer
    x = 1,026,715.80

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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.