Home / 441,975.69-609,928.79-258,321.15

Finding the Fourth Proportional to 441,975.69, 609,928.79 and 258,321.15

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Solution

The fourth proportional to 441,975.69, 609,928.79 and 258,321.15 is: 356,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,975.69 : 609,928.79 = 258,321.15 : x
  2. Step 2: Convert to fraction form
    441,975.69/609,928.79 = 258,321.15/x
  3. Step 3: Cross multiply
    441,975.69x = 609,928.79 × 258,321.15
  4. Step 4: Simplify right side
    441,975.69x = 157,557,505,159.30
  5. Step 5: Solve for x
    x = 157,557,505,159.30/441,975.69
  6. Step 6: Final answer
    x = 356,484.55

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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.