Home / 805,199.45-1,111,177.56-461,040.62

Finding the Fourth Proportional to 805,199.45, 1,111,177.56 and 461,040.62

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Solution

The fourth proportional to 805,199.45, 1,111,177.56 and 461,040.62 is: 636,237.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,199.45 : 1,111,177.56 = 461,040.62 : x
  2. Step 2: Convert to fraction form
    805,199.45/1,111,177.56 = 461,040.62/x
  3. Step 3: Cross multiply
    805,199.45x = 1,111,177.56 × 461,040.62
  4. Step 4: Simplify right side
    805,199.45x = 512,297,985,636.60
  5. Step 5: Solve for x
    x = 512,297,985,636.60/805,199.45
  6. Step 6: Final answer
    x = 636,237.38

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1.5x scale

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.