Home / 612,839.08-845,724.39-337,200.51

Finding the Fourth Proportional to 612,839.08, 845,724.39 and 337,200.51

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Solution

The fourth proportional to 612,839.08, 845,724.39 and 337,200.51 is: 465,340.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,839.08 : 845,724.39 = 337,200.51 : x
  2. Step 2: Convert to fraction form
    612,839.08/845,724.39 = 337,200.51/x
  3. Step 3: Cross multiply
    612,839.08x = 845,724.39 × 337,200.51
  4. Step 4: Simplify right side
    612,839.08x = 285,178,695,627.44
  5. Step 5: Solve for x
    x = 285,178,695,627.44/612,839.08
  6. Step 6: Final answer
    x = 465,340.26

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Double scale
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Similar ratio
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1.5x scale

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.