Home / 605,419.38-835,478.69-350,918.19

Finding the Fourth Proportional to 605,419.38, 835,478.69 and 350,918.19

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Solution

The fourth proportional to 605,419.38, 835,478.69 and 350,918.19 is: 484,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,419.38 : 835,478.69 = 350,918.19 : x
  2. Step 2: Convert to fraction form
    605,419.38/835,478.69 = 350,918.19/x
  3. Step 3: Cross multiply
    605,419.38x = 835,478.69 × 350,918.19
  4. Step 4: Simplify right side
    605,419.38x = 293,184,667,923.78
  5. Step 5: Solve for x
    x = 293,184,667,923.78/605,419.38
  6. Step 6: Final answer
    x = 484,267.07

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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.