Home / 410,733.20-616,099.80-394,986.80

Finding the Fourth Proportional to 410,733.20, 616,099.80 and 394,986.80

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Solution

The fourth proportional to 410,733.20, 616,099.80 and 394,986.80 is: 592,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,733.20 : 616,099.80 = 394,986.80 : x
  2. Step 2: Convert to fraction form
    410,733.20/616,099.80 = 394,986.80/x
  3. Step 3: Cross multiply
    410,733.20x = 616,099.80 × 394,986.80
  4. Step 4: Simplify right side
    410,733.20x = 243,351,288,482.64
  5. Step 5: Solve for x
    x = 243,351,288,482.64/410,733.20
  6. Step 6: Final answer
    x = 592,480.20

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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.