Home / 609,220.71-913,934.79-305,759.58

Finding the Fourth Proportional to 609,220.71, 913,934.79 and 305,759.58

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Solution

The fourth proportional to 609,220.71, 913,934.79 and 305,759.58 is: 458,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,220.71 : 913,934.79 = 305,759.58 : x
  2. Step 2: Convert to fraction form
    609,220.71/913,934.79 = 305,759.58/x
  3. Step 3: Cross multiply
    609,220.71x = 913,934.79 × 305,759.58
  4. Step 4: Simplify right side
    609,220.71x = 279,444,317,537.79
  5. Step 5: Solve for x
    x = 279,444,317,537.79/609,220.71
  6. Step 6: Final answer
    x = 458,691.43

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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.