Home / 1,231,462.62-1,699,701.75-722,329.02

Finding the Fourth Proportional to 1,231,462.62, 1,699,701.75 and 722,329.02

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Solution

The fourth proportional to 1,231,462.62, 1,699,701.75 and 722,329.02 is: 996,980.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,462.62 : 1,699,701.75 = 722,329.02 : x
  2. Step 2: Convert to fraction form
    1,231,462.62/1,699,701.75 = 722,329.02/x
  3. Step 3: Cross multiply
    1,231,462.62x = 1,699,701.75 × 722,329.02
  4. Step 4: Simplify right side
    1,231,462.62x = 1,227,743,899,369.78
  5. Step 5: Solve for x
    x = 1,227,743,899,369.78/1,231,462.62
  6. Step 6: Final answer
    x = 996,980.24

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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.