Home / 441,334.23-607,129.92-386,640.06

Finding the Fourth Proportional to 441,334.23, 607,129.92 and 386,640.06

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Solution

The fourth proportional to 441,334.23, 607,129.92 and 386,640.06 is: 531,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,334.23 : 607,129.92 = 386,640.06 : x
  2. Step 2: Convert to fraction form
    441,334.23/607,129.92 = 386,640.06/x
  3. Step 3: Cross multiply
    441,334.23x = 607,129.92 × 386,640.06
  4. Step 4: Simplify right side
    441,334.23x = 234,740,748,696.60
  5. Step 5: Solve for x
    x = 234,740,748,696.60/441,334.23
  6. Step 6: Final answer
    x = 531,888.83

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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.