Home / 451,429.74-622,980.18-270,149.40

Finding the Fourth Proportional to 451,429.74, 622,980.18 and 270,149.40

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Solution

The fourth proportional to 451,429.74, 622,980.18 and 270,149.40 is: 372,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,429.74 : 622,980.18 = 270,149.40 : x
  2. Step 2: Convert to fraction form
    451,429.74/622,980.18 = 270,149.40/x
  3. Step 3: Cross multiply
    451,429.74x = 622,980.18 × 270,149.40
  4. Step 4: Simplify right side
    451,429.74x = 168,297,721,838.89
  5. Step 5: Solve for x
    x = 168,297,721,838.89/451,429.74
  6. Step 6: Final answer
    x = 372,810.44

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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.