Home / 805,757.44-1,112,139.39-461,794.96

Finding the Fourth Proportional to 805,757.44, 1,112,139.39 and 461,794.96

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Solution

The fourth proportional to 805,757.44, 1,112,139.39 and 461,794.96 is: 637,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,757.44 : 1,112,139.39 = 461,794.96 : x
  2. Step 2: Convert to fraction form
    805,757.44/1,112,139.39 = 461,794.96/x
  3. Step 3: Cross multiply
    805,757.44x = 1,112,139.39 × 461,794.96
  4. Step 4: Simplify right side
    805,757.44x = 513,580,365,378.64
  5. Step 5: Solve for x
    x = 513,580,365,378.64/805,757.44
  6. Step 6: Final answer
    x = 637,388.30

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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.