Home / 1,639,438.66-2,459,155.81-441,362.29

Finding the Fourth Proportional to 1,639,438.66, 2,459,155.81 and 441,362.29

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Solution

The fourth proportional to 1,639,438.66, 2,459,155.81 and 441,362.29 is: 662,042.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,438.66 : 2,459,155.81 = 441,362.29 : x
  2. Step 2: Convert to fraction form
    1,639,438.66/2,459,155.81 = 441,362.29/x
  3. Step 3: Cross multiply
    1,639,438.66x = 2,459,155.81 × 441,362.29
  4. Step 4: Simplify right side
    1,639,438.66x = 1,085,378,639,768.40
  5. Step 5: Solve for x
    x = 1,085,378,639,768.40/1,639,438.66
  6. Step 6: Final answer
    x = 662,042.85

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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.