Home / 856,873.77-1,182,440.25-494,275.98

Finding the Fourth Proportional to 856,873.77, 1,182,440.25 and 494,275.98

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Solution

The fourth proportional to 856,873.77, 1,182,440.25 and 494,275.98 is: 682,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,873.77 : 1,182,440.25 = 494,275.98 : x
  2. Step 2: Convert to fraction form
    856,873.77/1,182,440.25 = 494,275.98/x
  3. Step 3: Cross multiply
    856,873.77x = 1,182,440.25 × 494,275.98
  4. Step 4: Simplify right side
    856,873.77x = 584,451,813,360.20
  5. Step 5: Solve for x
    x = 584,451,813,360.20/856,873.77
  6. Step 6: Final answer
    x = 682,074.58

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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.