Home / 551,847.12-827,923.32-219,656.40

Finding the Fourth Proportional to 551,847.12, 827,923.32 and 219,656.40

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Solution

The fourth proportional to 551,847.12, 827,923.32 and 219,656.40 is: 329,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,847.12 : 827,923.32 = 219,656.40 : x
  2. Step 2: Convert to fraction form
    551,847.12/827,923.32 = 219,656.40/x
  3. Step 3: Cross multiply
    551,847.12x = 827,923.32 × 219,656.40
  4. Step 4: Simplify right side
    551,847.12x = 181,858,655,947.25
  5. Step 5: Solve for x
    x = 181,858,655,947.25/551,847.12
  6. Step 6: Final answer
    x = 329,545.36

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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.