Home / 856,878.46-1,182,446.56-494,280.60

Finding the Fourth Proportional to 856,878.46, 1,182,446.56 and 494,280.60

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Solution

The fourth proportional to 856,878.46, 1,182,446.56 and 494,280.60 is: 682,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,878.46 : 1,182,446.56 = 494,280.60 : x
  2. Step 2: Convert to fraction form
    856,878.46/1,182,446.56 = 494,280.60/x
  3. Step 3: Cross multiply
    856,878.46x = 1,182,446.56 × 494,280.60
  4. Step 4: Simplify right side
    856,878.46x = 584,460,395,144.74
  5. Step 5: Solve for x
    x = 584,460,395,144.74/856,878.46
  6. Step 6: Final answer
    x = 682,080.86

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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.