Home / 439,926.25-607,091.74-258,658.57

Finding the Fourth Proportional to 439,926.25, 607,091.74 and 258,658.57

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Solution

The fourth proportional to 439,926.25, 607,091.74 and 258,658.57 is: 356,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,926.25 : 607,091.74 = 258,658.57 : x
  2. Step 2: Convert to fraction form
    439,926.25/607,091.74 = 258,658.57/x
  3. Step 3: Cross multiply
    439,926.25x = 607,091.74 × 258,658.57
  4. Step 4: Simplify right side
    439,926.25x = 157,029,481,327.21
  5. Step 5: Solve for x
    x = 157,029,481,327.21/439,926.25
  6. Step 6: Final answer
    x = 356,945.01

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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.