Home / 578,849.80-868,274.70-419,182.60

Finding the Fourth Proportional to 578,849.80, 868,274.70 and 419,182.60

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Solution

The fourth proportional to 578,849.80, 868,274.70 and 419,182.60 is: 628,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,849.80 : 868,274.70 = 419,182.60 : x
  2. Step 2: Convert to fraction form
    578,849.80/868,274.70 = 419,182.60/x
  3. Step 3: Cross multiply
    578,849.80x = 868,274.70 × 419,182.60
  4. Step 4: Simplify right side
    578,849.80x = 363,965,646,260.22
  5. Step 5: Solve for x
    x = 363,965,646,260.22/578,849.80
  6. Step 6: Final answer
    x = 628,773.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.