Home / 482,670.08-724,007.58-198,515.60

Finding the Fourth Proportional to 482,670.08, 724,007.58 and 198,515.60

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Solution

The fourth proportional to 482,670.08, 724,007.58 and 198,515.60 is: 297,774.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,670.08 : 724,007.58 = 198,515.60 : x
  2. Step 2: Convert to fraction form
    482,670.08/724,007.58 = 198,515.60/x
  3. Step 3: Cross multiply
    482,670.08x = 724,007.58 × 198,515.60
  4. Step 4: Simplify right side
    482,670.08x = 143,726,799,148.25
  5. Step 5: Solve for x
    x = 143,726,799,148.25/482,670.08
  6. Step 6: Final answer
    x = 297,774.41

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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.