Home / 881,849.45-1,216,965.18-494,750.45

Finding the Fourth Proportional to 881,849.45, 1,216,965.18 and 494,750.45

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Solution

The fourth proportional to 881,849.45, 1,216,965.18 and 494,750.45 is: 682,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,849.45 : 1,216,965.18 = 494,750.45 : x
  2. Step 2: Convert to fraction form
    881,849.45/1,216,965.18 = 494,750.45/x
  3. Step 3: Cross multiply
    881,849.45x = 1,216,965.18 × 494,750.45
  4. Step 4: Simplify right side
    881,849.45x = 602,094,070,439.33
  5. Step 5: Solve for x
    x = 602,094,070,439.33/881,849.45
  6. Step 6: Final answer
    x = 682,762.88

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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.