Home / 401,812.26-554,363.25-229,606.50

Finding the Fourth Proportional to 401,812.26, 554,363.25 and 229,606.50

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Solution

The fourth proportional to 401,812.26, 554,363.25 and 229,606.50 is: 316,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,812.26 : 554,363.25 = 229,606.50 : x
  2. Step 2: Convert to fraction form
    401,812.26/554,363.25 = 229,606.50/x
  3. Step 3: Cross multiply
    401,812.26x = 554,363.25 × 229,606.50
  4. Step 4: Simplify right side
    401,812.26x = 127,285,405,561.13
  5. Step 5: Solve for x
    x = 127,285,405,561.13/401,812.26
  6. Step 6: Final answer
    x = 316,778.30

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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.