Home / 482,664.60-724,230.63-198,565.10

Finding the Fourth Proportional to 482,664.60, 724,230.63 and 198,565.10

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Solution

The fourth proportional to 482,664.60, 724,230.63 and 198,565.10 is: 297,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,664.60 : 724,230.63 = 198,565.10 : x
  2. Step 2: Convert to fraction form
    482,664.60/724,230.63 = 198,565.10/x
  3. Step 3: Cross multiply
    482,664.60x = 724,230.63 × 198,565.10
  4. Step 4: Simplify right side
    482,664.60x = 143,806,923,847.86
  5. Step 5: Solve for x
    x = 143,806,923,847.86/482,664.60
  6. Step 6: Final answer
    x = 297,943.80

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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.