Home / 651,230.60-977,076.30-628,190.60

Finding the Fourth Proportional to 651,230.60, 977,076.30 and 628,190.60

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Solution

The fourth proportional to 651,230.60, 977,076.30 and 628,190.60 is: 942,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,230.60 : 977,076.30 = 628,190.60 : x
  2. Step 2: Convert to fraction form
    651,230.60/977,076.30 = 628,190.60/x
  3. Step 3: Cross multiply
    651,230.60x = 977,076.30 × 628,190.60
  4. Step 4: Simplify right side
    651,230.60x = 613,790,147,142.78
  5. Step 5: Solve for x
    x = 613,790,147,142.78/651,230.60
  6. Step 6: Final answer
    x = 942,508.15

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Double scale
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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.