Home / 856,716.12-1,182,250.56-474,739.56

Finding the Fourth Proportional to 856,716.12, 1,182,250.56 and 474,739.56

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Solution

The fourth proportional to 856,716.12, 1,182,250.56 and 474,739.56 is: 655,130.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,716.12 : 1,182,250.56 = 474,739.56 : x
  2. Step 2: Convert to fraction form
    856,716.12/1,182,250.56 = 474,739.56/x
  3. Step 3: Cross multiply
    856,716.12x = 1,182,250.56 × 474,739.56
  4. Step 4: Simplify right side
    856,716.12x = 561,261,110,664.15
  5. Step 5: Solve for x
    x = 561,261,110,664.15/856,716.12
  6. Step 6: Final answer
    x = 655,130.79

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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.