Home / 461,982.60-692,973.90-378,001.80

Finding the Fourth Proportional to 461,982.60, 692,973.90 and 378,001.80

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Solution

The fourth proportional to 461,982.60, 692,973.90 and 378,001.80 is: 567,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,982.60 : 692,973.90 = 378,001.80 : x
  2. Step 2: Convert to fraction form
    461,982.60/692,973.90 = 378,001.80/x
  3. Step 3: Cross multiply
    461,982.60x = 692,973.90 × 378,001.80
  4. Step 4: Simplify right side
    461,982.60x = 261,945,381,553.02
  5. Step 5: Solve for x
    x = 261,945,381,553.02/461,982.60
  6. Step 6: Final answer
    x = 567,002.70

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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.