Home / 578,216.05-797,944.42-320,097.27

Finding the Fourth Proportional to 578,216.05, 797,944.42 and 320,097.27

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Solution

The fourth proportional to 578,216.05, 797,944.42 and 320,097.27 is: 441,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,216.05 : 797,944.42 = 320,097.27 : x
  2. Step 2: Convert to fraction form
    578,216.05/797,944.42 = 320,097.27/x
  3. Step 3: Cross multiply
    578,216.05x = 797,944.42 × 320,097.27
  4. Step 4: Simplify right side
    578,216.05x = 255,419,826,464.01
  5. Step 5: Solve for x
    x = 255,419,826,464.01/578,216.05
  6. Step 6: Final answer
    x = 441,737.70

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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.