Home / 347,827.60-521,741.40-277,843.60

Finding the Fourth Proportional to 347,827.60, 521,741.40 and 277,843.60

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Solution

The fourth proportional to 347,827.60, 521,741.40 and 277,843.60 is: 416,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,827.60 : 521,741.40 = 277,843.60 : x
  2. Step 2: Convert to fraction form
    347,827.60/521,741.40 = 277,843.60/x
  3. Step 3: Cross multiply
    347,827.60x = 521,741.40 × 277,843.60
  4. Step 4: Simplify right side
    347,827.60x = 144,962,508,845.04
  5. Step 5: Solve for x
    x = 144,962,508,845.04/347,827.60
  6. Step 6: Final answer
    x = 416,765.40

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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.