Home / 856,690.24-1,182,212.40-494,114.80

Finding the Fourth Proportional to 856,690.24, 1,182,212.40 and 494,114.80

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Solution

The fourth proportional to 856,690.24, 1,182,212.40 and 494,114.80 is: 681,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,690.24 : 1,182,212.40 = 494,114.80 : x
  2. Step 2: Convert to fraction form
    856,690.24/1,182,212.40 = 494,114.80/x
  3. Step 3: Cross multiply
    856,690.24x = 1,182,212.40 × 494,114.80
  4. Step 4: Simplify right side
    856,690.24x = 584,148,643,583.52
  5. Step 5: Solve for x
    x = 584,148,643,583.52/856,690.24
  6. Step 6: Final answer
    x = 681,866.81

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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.