Home / 482,733.45-724,335.37-198,509.40

Finding the Fourth Proportional to 482,733.45, 724,335.37 and 198,509.40

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Solution

The fourth proportional to 482,733.45, 724,335.37 and 198,509.40 is: 297,860.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,733.45 : 724,335.37 = 198,509.40 : x
  2. Step 2: Convert to fraction form
    482,733.45/724,335.37 = 198,509.40/x
  3. Step 3: Cross multiply
    482,733.45x = 724,335.37 × 198,509.40
  4. Step 4: Simplify right side
    482,733.45x = 143,787,376,285.00
  5. Step 5: Solve for x
    x = 143,787,376,285.00/482,733.45
  6. Step 6: Final answer
    x = 297,860.81

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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.