Home / 1,639,504.86-2,459,360.97-517,618.14

Finding the Fourth Proportional to 1,639,504.86, 2,459,360.97 and 517,618.14

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Solution

The fourth proportional to 1,639,504.86, 2,459,360.97 and 517,618.14 is: 776,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,504.86 : 2,459,360.97 = 517,618.14 : x
  2. Step 2: Convert to fraction form
    1,639,504.86/2,459,360.97 = 517,618.14/x
  3. Step 3: Cross multiply
    1,639,504.86x = 2,459,360.97 × 517,618.14
  4. Step 4: Simplify right side
    1,639,504.86x = 1,273,009,850,880.00
  5. Step 5: Solve for x
    x = 1,273,009,850,880.00/1,639,504.86
  6. Step 6: Final answer
    x = 776,459.94

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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.