Home / 805,835.26-1,111,972.96-461,605.11

Finding the Fourth Proportional to 805,835.26, 1,111,972.96 and 461,605.11

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Solution

The fourth proportional to 805,835.26, 1,111,972.96 and 461,605.11 is: 636,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,835.26 : 1,111,972.96 = 461,605.11 : x
  2. Step 2: Convert to fraction form
    805,835.26/1,111,972.96 = 461,605.11/x
  3. Step 3: Cross multiply
    805,835.26x = 1,111,972.96 × 461,605.11
  4. Step 4: Simplify right side
    805,835.26x = 513,292,400,517.83
  5. Step 5: Solve for x
    x = 513,292,400,517.83/805,835.26
  6. Step 6: Final answer
    x = 636,969.40

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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.