Home / 1,639,625.70-2,459,438.55-517,694.70

Finding the Fourth Proportional to 1,639,625.70, 2,459,438.55 and 517,694.70

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Solution

The fourth proportional to 1,639,625.70, 2,459,438.55 and 517,694.70 is: 776,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,625.70 : 2,459,438.55 = 517,694.70 : x
  2. Step 2: Convert to fraction form
    1,639,625.70/2,459,438.55 = 517,694.70/x
  3. Step 3: Cross multiply
    1,639,625.70x = 2,459,438.55 × 517,694.70
  4. Step 4: Simplify right side
    1,639,625.70x = 1,273,238,302,310.68
  5. Step 5: Solve for x
    x = 1,273,238,302,310.68/1,639,625.70
  6. Step 6: Final answer
    x = 776,542.05

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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.