Home / 578,839.50-798,798.51-324,272.70

Finding the Fourth Proportional to 578,839.50, 798,798.51 and 324,272.70

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Solution

The fourth proportional to 578,839.50, 798,798.51 and 324,272.70 is: 447,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,839.50 : 798,798.51 = 324,272.70 : x
  2. Step 2: Convert to fraction form
    578,839.50/798,798.51 = 324,272.70/x
  3. Step 3: Cross multiply
    578,839.50x = 798,798.51 × 324,272.70
  4. Step 4: Simplify right side
    578,839.50x = 259,028,549,593.68
  5. Step 5: Solve for x
    x = 259,028,549,593.68/578,839.50
  6. Step 6: Final answer
    x = 447,496.33

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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.