Home / 332,290.56-458,552.16-305,541.12

Finding the Fourth Proportional to 332,290.56, 458,552.16 and 305,541.12

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Solution

The fourth proportional to 332,290.56, 458,552.16 and 305,541.12 is: 421,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,290.56 : 458,552.16 = 305,541.12 : x
  2. Step 2: Convert to fraction form
    332,290.56/458,552.16 = 305,541.12/x
  3. Step 3: Cross multiply
    332,290.56x = 458,552.16 × 305,541.12
  4. Step 4: Simplify right side
    332,290.56x = 140,106,540,544.82
  5. Step 5: Solve for x
    x = 140,106,540,544.82/332,290.56
  6. Step 6: Final answer
    x = 421,638.64

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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.