Home / 638,016.75-957,028.77-164,669.76

Finding the Fourth Proportional to 638,016.75, 957,028.77 and 164,669.76

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Solution

The fourth proportional to 638,016.75, 957,028.77 and 164,669.76 is: 247,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,016.75 : 957,028.77 = 164,669.76 : x
  2. Step 2: Convert to fraction form
    638,016.75/957,028.77 = 164,669.76/x
  3. Step 3: Cross multiply
    638,016.75x = 957,028.77 × 164,669.76
  4. Step 4: Simplify right side
    638,016.75x = 157,593,697,869.00
  5. Step 5: Solve for x
    x = 157,593,697,869.00/638,016.75
  6. Step 6: Final answer
    x = 247,005.58

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1.5x scale

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.