Home / 805,833.75-1,111,970.90-461,603.60

Finding the Fourth Proportional to 805,833.75, 1,111,970.90 and 461,603.60

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Solution

The fourth proportional to 805,833.75, 1,111,970.90 and 461,603.60 is: 636,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,833.75 : 1,111,970.90 = 461,603.60 : x
  2. Step 2: Convert to fraction form
    805,833.75/1,111,970.90 = 461,603.60/x
  3. Step 3: Cross multiply
    805,833.75x = 1,111,970.90 × 461,603.60
  4. Step 4: Simplify right side
    805,833.75x = 513,289,770,535.24
  5. Step 5: Solve for x
    x = 513,289,770,535.24/805,833.75
  6. Step 6: Final answer
    x = 636,967.33

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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.