Home / 414,526.64-621,789.42-165,383.60

Finding the Fourth Proportional to 414,526.64, 621,789.42 and 165,383.60

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Solution

The fourth proportional to 414,526.64, 621,789.42 and 165,383.60 is: 248,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,526.64 : 621,789.42 = 165,383.60 : x
  2. Step 2: Convert to fraction form
    414,526.64/621,789.42 = 165,383.60/x
  3. Step 3: Cross multiply
    414,526.64x = 621,789.42 × 165,383.60
  4. Step 4: Simplify right side
    414,526.64x = 102,833,772,721.51
  5. Step 5: Solve for x
    x = 102,833,772,721.51/414,526.64
  6. Step 6: Final answer
    x = 248,075.18

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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.