Home / 441,664.50-609,341.78-288,792.17

Finding the Fourth Proportional to 441,664.50, 609,341.78 and 288,792.17

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Solution

The fourth proportional to 441,664.50, 609,341.78 and 288,792.17 is: 398,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,664.50 : 609,341.78 = 288,792.17 : x
  2. Step 2: Convert to fraction form
    441,664.50/609,341.78 = 288,792.17/x
  3. Step 3: Cross multiply
    441,664.50x = 609,341.78 × 288,792.17
  4. Step 4: Simplify right side
    441,664.50x = 175,973,134,917.86
  5. Step 5: Solve for x
    x = 175,973,134,917.86/441,664.50
  6. Step 6: Final answer
    x = 398,431.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.