Home / 628,356.39-867,105.91-341,877.61

Finding the Fourth Proportional to 628,356.39, 867,105.91 and 341,877.61

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Solution

The fourth proportional to 628,356.39, 867,105.91 and 341,877.61 is: 471,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,356.39 : 867,105.91 = 341,877.61 : x
  2. Step 2: Convert to fraction form
    628,356.39/867,105.91 = 341,877.61/x
  3. Step 3: Cross multiply
    628,356.39x = 867,105.91 × 341,877.61
  4. Step 4: Simplify right side
    628,356.39x = 296,444,096,127.68
  5. Step 5: Solve for x
    x = 296,444,096,127.68/628,356.39
  6. Step 6: Final answer
    x = 471,777.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.