Home / 439,340.25-606,289.95-238,136.25

Finding the Fourth Proportional to 439,340.25, 606,289.95 and 238,136.25

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Solution

The fourth proportional to 439,340.25, 606,289.95 and 238,136.25 is: 328,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,340.25 : 606,289.95 = 238,136.25 : x
  2. Step 2: Convert to fraction form
    439,340.25/606,289.95 = 238,136.25/x
  3. Step 3: Cross multiply
    439,340.25x = 606,289.95 × 238,136.25
  4. Step 4: Simplify right side
    439,340.25x = 144,379,615,105.69
  5. Step 5: Solve for x
    x = 144,379,615,105.69/439,340.25
  6. Step 6: Final answer
    x = 328,628.24

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Similar ratio
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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.