Home / 404,721.20-607,081.80-194,769.20

Finding the Fourth Proportional to 404,721.20, 607,081.80 and 194,769.20

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Solution

The fourth proportional to 404,721.20, 607,081.80 and 194,769.20 is: 292,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,721.20 : 607,081.80 = 194,769.20 : x
  2. Step 2: Convert to fraction form
    404,721.20/607,081.80 = 194,769.20/x
  3. Step 3: Cross multiply
    404,721.20x = 607,081.80 × 194,769.20
  4. Step 4: Simplify right side
    404,721.20x = 118,240,836,520.56
  5. Step 5: Solve for x
    x = 118,240,836,520.56/404,721.20
  6. Step 6: Final answer
    x = 292,153.80

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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.