Home / 843,388.68-1,163,856.39-461,418.60

Finding the Fourth Proportional to 843,388.68, 1,163,856.39 and 461,418.60

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Solution

The fourth proportional to 843,388.68, 1,163,856.39 and 461,418.60 is: 636,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,388.68 : 1,163,856.39 = 461,418.60 : x
  2. Step 2: Convert to fraction form
    843,388.68/1,163,856.39 = 461,418.60/x
  3. Step 3: Cross multiply
    843,388.68x = 1,163,856.39 × 461,418.60
  4. Step 4: Simplify right side
    843,388.68x = 537,024,986,074.85
  5. Step 5: Solve for x
    x = 537,024,986,074.85/843,388.68
  6. Step 6: Final answer
    x = 636,746.73

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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.