Home / 451,233.09-622,622.74-257,552.37

Finding the Fourth Proportional to 451,233.09, 622,622.74 and 257,552.37

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Solution

The fourth proportional to 451,233.09, 622,622.74 and 257,552.37 is: 355,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,233.09 : 622,622.74 = 257,552.37 : x
  2. Step 2: Convert to fraction form
    451,233.09/622,622.74 = 257,552.37/x
  3. Step 3: Cross multiply
    451,233.09x = 622,622.74 × 257,552.37
  4. Step 4: Simplify right side
    451,233.09x = 160,357,962,302.89
  5. Step 5: Solve for x
    x = 160,357,962,302.89/451,233.09
  6. Step 6: Final answer
    x = 355,377.22

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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.