Home / 414,531.52-621,046.40-190,079.71

Finding the Fourth Proportional to 414,531.52, 621,046.40 and 190,079.71

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Solution

The fourth proportional to 414,531.52, 621,046.40 and 190,079.71 is: 284,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,531.52 : 621,046.40 = 190,079.71 : x
  2. Step 2: Convert to fraction form
    414,531.52/621,046.40 = 190,079.71/x
  3. Step 3: Cross multiply
    414,531.52x = 621,046.40 × 190,079.71
  4. Step 4: Simplify right side
    414,531.52x = 118,048,319,608.54
  5. Step 5: Solve for x
    x = 118,048,319,608.54/414,531.52
  6. Step 6: Final answer
    x = 284,775.26

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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.