Home / 622,110.29-931,670.78-355,061.25

Finding the Fourth Proportional to 622,110.29, 931,670.78 and 355,061.25

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Solution

The fourth proportional to 622,110.29, 931,670.78 and 355,061.25 is: 531,738.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,110.29 : 931,670.78 = 355,061.25 : x
  2. Step 2: Convert to fraction form
    622,110.29/931,670.78 = 355,061.25/x
  3. Step 3: Cross multiply
    622,110.29x = 931,670.78 × 355,061.25
  4. Step 4: Simplify right side
    622,110.29x = 330,800,189,959.97
  5. Step 5: Solve for x
    x = 330,800,189,959.97/622,110.29
  6. Step 6: Final answer
    x = 531,738.82

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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.