Home / 414,948.80-622,730.40-165,809.60

Finding the Fourth Proportional to 414,948.80, 622,730.40 and 165,809.60

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Solution

The fourth proportional to 414,948.80, 622,730.40 and 165,809.60 is: 248,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,948.80 : 622,730.40 = 165,809.60 : x
  2. Step 2: Convert to fraction form
    414,948.80/622,730.40 = 165,809.60/x
  3. Step 3: Cross multiply
    414,948.80x = 622,730.40 × 165,809.60
  4. Step 4: Simplify right side
    414,948.80x = 103,254,678,531.84
  5. Step 5: Solve for x
    x = 103,254,678,531.84/414,948.80
  6. Step 6: Final answer
    x = 248,837.15

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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.