Home / 651,204.20-976,028.70-272,124.20

Finding the Fourth Proportional to 651,204.20, 976,028.70 and 272,124.20

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Solution

The fourth proportional to 651,204.20, 976,028.70 and 272,124.20 is: 407,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,204.20 : 976,028.70 = 272,124.20 : x
  2. Step 2: Convert to fraction form
    651,204.20/976,028.70 = 272,124.20/x
  3. Step 3: Cross multiply
    651,204.20x = 976,028.70 × 272,124.20
  4. Step 4: Simplify right side
    651,204.20x = 265,601,029,164.54
  5. Step 5: Solve for x
    x = 265,601,029,164.54/651,204.20
  6. Step 6: Final answer
    x = 407,861.36

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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.