Home / 551,746.92-827,615.07-326,945.55

Finding the Fourth Proportional to 551,746.92, 827,615.07 and 326,945.55

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Solution

The fourth proportional to 551,746.92, 827,615.07 and 326,945.55 is: 490,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,746.92 : 827,615.07 = 326,945.55 : x
  2. Step 2: Convert to fraction form
    551,746.92/827,615.07 = 326,945.55/x
  3. Step 3: Cross multiply
    551,746.92x = 827,615.07 × 326,945.55
  4. Step 4: Simplify right side
    551,746.92x = 270,585,064,249.44
  5. Step 5: Solve for x
    x = 270,585,064,249.44/551,746.92
  6. Step 6: Final answer
    x = 490,415.18

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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.