Home / 856,853.66-1,182,187.87-494,228.90

Finding the Fourth Proportional to 856,853.66, 1,182,187.87 and 494,228.90

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Solution

The fourth proportional to 856,853.66, 1,182,187.87 and 494,228.90 is: 681,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,853.66 : 1,182,187.87 = 494,228.90 : x
  2. Step 2: Convert to fraction form
    856,853.66/1,182,187.87 = 494,228.90/x
  3. Step 3: Cross multiply
    856,853.66x = 1,182,187.87 × 494,228.90
  4. Step 4: Simplify right side
    856,853.66x = 584,271,410,583.44
  5. Step 5: Solve for x
    x = 584,271,410,583.44/856,853.66
  6. Step 6: Final answer
    x = 681,880.04

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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.