Home / 414,918.90-622,378.35-358,822.35

Finding the Fourth Proportional to 414,918.90, 622,378.35 and 358,822.35

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Solution

The fourth proportional to 414,918.90, 622,378.35 and 358,822.35 is: 538,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,918.90 : 622,378.35 = 358,822.35 : x
  2. Step 2: Convert to fraction form
    414,918.90/622,378.35 = 358,822.35/x
  3. Step 3: Cross multiply
    414,918.90x = 622,378.35 × 358,822.35
  4. Step 4: Simplify right side
    414,918.90x = 223,323,262,136.12
  5. Step 5: Solve for x
    x = 223,323,262,136.12/414,918.90
  6. Step 6: Final answer
    x = 538,233.53

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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.