Home / 516,975.98-775,464.24-162,017.78

Finding the Fourth Proportional to 516,975.98, 775,464.24 and 162,017.78

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Solution

The fourth proportional to 516,975.98, 775,464.24 and 162,017.78 is: 243,026.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,975.98 : 775,464.24 = 162,017.78 : x
  2. Step 2: Convert to fraction form
    516,975.98/775,464.24 = 162,017.78/x
  3. Step 3: Cross multiply
    516,975.98x = 775,464.24 × 162,017.78
  4. Step 4: Simplify right side
    516,975.98x = 125,638,994,634.19
  5. Step 5: Solve for x
    x = 125,638,994,634.19/516,975.98
  6. Step 6: Final answer
    x = 243,026.75

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Double scale
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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.