Home / 651,136.20-976,412.70-251,644.20

Finding the Fourth Proportional to 651,136.20, 976,412.70 and 251,644.20

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Solution

The fourth proportional to 651,136.20, 976,412.70 and 251,644.20 is: 377,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,136.20 : 976,412.70 = 251,644.20 : x
  2. Step 2: Convert to fraction form
    651,136.20/976,412.70 = 251,644.20/x
  3. Step 3: Cross multiply
    651,136.20x = 976,412.70 × 251,644.20
  4. Step 4: Simplify right side
    651,136.20x = 245,708,592,761.34
  5. Step 5: Solve for x
    x = 245,708,592,761.34/651,136.20
  6. Step 6: Final answer
    x = 377,353.61

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Double scale
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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.