Home / 813,212.80-1,122,630.24-541,441.60

Finding the Fourth Proportional to 813,212.80, 1,122,630.24 and 541,441.60

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Solution

The fourth proportional to 813,212.80, 1,122,630.24 and 541,441.60 is: 747,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,212.80 : 1,122,630.24 = 541,441.60 : x
  2. Step 2: Convert to fraction form
    813,212.80/1,122,630.24 = 541,441.60/x
  3. Step 3: Cross multiply
    813,212.80x = 1,122,630.24 × 541,441.60
  4. Step 4: Simplify right side
    813,212.80x = 607,838,713,353.98
  5. Step 5: Solve for x
    x = 607,838,713,353.98/813,212.80
  6. Step 6: Final answer
    x = 747,453.45

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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.