Home / 1,640,167.70-2,459,971.08-441,809.78

Finding the Fourth Proportional to 1,640,167.70, 2,459,971.08 and 441,809.78

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Solution

The fourth proportional to 1,640,167.70, 2,459,971.08 and 441,809.78 is: 662,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,167.70 : 2,459,971.08 = 441,809.78 : x
  2. Step 2: Convert to fraction form
    1,640,167.70/2,459,971.08 = 441,809.78/x
  3. Step 3: Cross multiply
    1,640,167.70x = 2,459,971.08 × 441,809.78
  4. Step 4: Simplify right side
    1,640,167.70x = 1,086,839,269,361.31
  5. Step 5: Solve for x
    x = 1,086,839,269,361.31/1,640,167.70
  6. Step 6: Final answer
    x = 662,639.11

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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.