Home / 519,823.17-779,831.97-164,741.85

Finding the Fourth Proportional to 519,823.17, 779,831.97 and 164,741.85

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Solution

The fourth proportional to 519,823.17, 779,831.97 and 164,741.85 is: 247,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,823.17 : 779,831.97 = 164,741.85 : x
  2. Step 2: Convert to fraction form
    519,823.17/779,831.97 = 164,741.85/x
  3. Step 3: Cross multiply
    519,823.17x = 779,831.97 × 164,741.85
  4. Step 4: Simplify right side
    519,823.17x = 128,470,961,426.95
  5. Step 5: Solve for x
    x = 128,470,961,426.95/519,823.17
  6. Step 6: Final answer
    x = 247,143.58

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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.