Home / 572,518.80-858,778.20-198,541.80

Finding the Fourth Proportional to 572,518.80, 858,778.20 and 198,541.80

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Solution

The fourth proportional to 572,518.80, 858,778.20 and 198,541.80 is: 297,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,518.80 : 858,778.20 = 198,541.80 : x
  2. Step 2: Convert to fraction form
    572,518.80/858,778.20 = 198,541.80/x
  3. Step 3: Cross multiply
    572,518.80x = 858,778.20 × 198,541.80
  4. Step 4: Simplify right side
    572,518.80x = 170,503,369,628.76
  5. Step 5: Solve for x
    x = 170,503,369,628.76/572,518.80
  6. Step 6: Final answer
    x = 297,812.70

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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.