Home / 572,734.80-859,102.20-320,792.40

Finding the Fourth Proportional to 572,734.80, 859,102.20 and 320,792.40

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Solution

The fourth proportional to 572,734.80, 859,102.20 and 320,792.40 is: 481,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,734.80 : 859,102.20 = 320,792.40 : x
  2. Step 2: Convert to fraction form
    572,734.80/859,102.20 = 320,792.40/x
  3. Step 3: Cross multiply
    572,734.80x = 859,102.20 × 320,792.40
  4. Step 4: Simplify right side
    572,734.80x = 275,593,456,583.28
  5. Step 5: Solve for x
    x = 275,593,456,583.28/572,734.80
  6. Step 6: Final answer
    x = 481,188.60

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Similar ratio
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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.