Home / 622,083.71-858,615.54-407,099.22

Finding the Fourth Proportional to 622,083.71, 858,615.54 and 407,099.22

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Solution

The fourth proportional to 622,083.71, 858,615.54 and 407,099.22 is: 561,888.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,083.71 : 858,615.54 = 407,099.22 : x
  2. Step 2: Convert to fraction form
    622,083.71/858,615.54 = 407,099.22/x
  3. Step 3: Cross multiply
    622,083.71x = 858,615.54 × 407,099.22
  4. Step 4: Simplify right side
    622,083.71x = 349,541,711,867.45
  5. Step 5: Solve for x
    x = 349,541,711,867.45/622,083.71
  6. Step 6: Final answer
    x = 561,888.54

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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.