Home / 518,194.08-777,291.13-202,429.55

Finding the Fourth Proportional to 518,194.08, 777,291.13 and 202,429.55

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Solution

The fourth proportional to 518,194.08, 777,291.13 and 202,429.55 is: 303,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,194.08 : 777,291.13 = 202,429.55 : x
  2. Step 2: Convert to fraction form
    518,194.08/777,291.13 = 202,429.55/x
  3. Step 3: Cross multiply
    518,194.08x = 777,291.13 × 202,429.55
  4. Step 4: Simplify right side
    518,194.08x = 157,346,693,664.89
  5. Step 5: Solve for x
    x = 157,346,693,664.89/518,194.08
  6. Step 6: Final answer
    x = 303,644.33

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.