Home / 519,944.75-779,933.01-178,383.38

Finding the Fourth Proportional to 519,944.75, 779,933.01 and 178,383.38

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Solution

The fourth proportional to 519,944.75, 779,933.01 and 178,383.38 is: 267,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,944.75 : 779,933.01 = 178,383.38 : x
  2. Step 2: Convert to fraction form
    519,944.75/779,933.01 = 178,383.38/x
  3. Step 3: Cross multiply
    519,944.75x = 779,933.01 × 178,383.38
  4. Step 4: Simplify right side
    519,944.75x = 139,127,082,597.71
  5. Step 5: Solve for x
    x = 139,127,082,597.71/519,944.75
  6. Step 6: Final answer
    x = 267,580.51

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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.