Home / 404,331.22-558,156.38-261,161.09

Finding the Fourth Proportional to 404,331.22, 558,156.38 and 261,161.09

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Solution

The fourth proportional to 404,331.22, 558,156.38 and 261,161.09 is: 360,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,331.22 : 558,156.38 = 261,161.09 : x
  2. Step 2: Convert to fraction form
    404,331.22/558,156.38 = 261,161.09/x
  3. Step 3: Cross multiply
    404,331.22x = 558,156.38 × 261,161.09
  4. Step 4: Simplify right side
    404,331.22x = 145,768,724,494.67
  5. Step 5: Solve for x
    x = 145,768,724,494.67/404,331.22
  6. Step 6: Final answer
    x = 360,518.11

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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.