Home / 994,379.90-1,371,658.13-703,664.42

Finding the Fourth Proportional to 994,379.90, 1,371,658.13 and 703,664.42

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Solution

The fourth proportional to 994,379.90, 1,371,658.13 and 703,664.42 is: 970,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,379.90 : 1,371,658.13 = 703,664.42 : x
  2. Step 2: Convert to fraction form
    994,379.90/1,371,658.13 = 703,664.42/x
  3. Step 3: Cross multiply
    994,379.90x = 1,371,658.13 × 703,664.42
  4. Step 4: Simplify right side
    994,379.90x = 965,187,012,108.12
  5. Step 5: Solve for x
    x = 965,187,012,108.12/994,379.90
  6. Step 6: Final answer
    x = 970,642.12

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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.