Home / 591,452.20-885,623.10-432,821.80

Finding the Fourth Proportional to 591,452.20, 885,623.10 and 432,821.80

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Solution

The fourth proportional to 591,452.20, 885,623.10 and 432,821.80 is: 648,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,452.20 : 885,623.10 = 432,821.80 : x
  2. Step 2: Convert to fraction form
    591,452.20/885,623.10 = 432,821.80/x
  3. Step 3: Cross multiply
    591,452.20x = 885,623.10 × 432,821.80
  4. Step 4: Simplify right side
    591,452.20x = 383,316,984,263.58
  5. Step 5: Solve for x
    x = 383,316,984,263.58/591,452.20
  6. Step 6: Final answer
    x = 648,094.61

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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.