Home / 610,917.12-916,667.28-295,198.56

Finding the Fourth Proportional to 610,917.12, 916,667.28 and 295,198.56

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Solution

The fourth proportional to 610,917.12, 916,667.28 and 295,198.56 is: 442,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,917.12 : 916,667.28 = 295,198.56 : x
  2. Step 2: Convert to fraction form
    610,917.12/916,667.28 = 295,198.56/x
  3. Step 3: Cross multiply
    610,917.12x = 916,667.28 × 295,198.56
  4. Step 4: Simplify right side
    610,917.12x = 270,598,861,055.12
  5. Step 5: Solve for x
    x = 270,598,861,055.12/610,917.12
  6. Step 6: Final answer
    x = 442,938.74

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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.