Home / 591,561.20-885,786.60-432,930.80

Finding the Fourth Proportional to 591,561.20, 885,786.60 and 432,930.80

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Solution

The fourth proportional to 591,561.20, 885,786.60 and 432,930.80 is: 648,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,561.20 : 885,786.60 = 432,930.80 : x
  2. Step 2: Convert to fraction form
    591,561.20/885,786.60 = 432,930.80/x
  3. Step 3: Cross multiply
    591,561.20x = 885,786.60 × 432,930.80
  4. Step 4: Simplify right side
    591,561.20x = 383,484,301,367.28
  5. Step 5: Solve for x
    x = 383,484,301,367.28/591,561.20
  6. Step 6: Final answer
    x = 648,258.04

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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.