Home / 684,676.20-1,027,889.10-365,082.60

Finding the Fourth Proportional to 684,676.20, 1,027,889.10 and 365,082.60

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Solution

The fourth proportional to 684,676.20, 1,027,889.10 and 365,082.60 is: 548,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,676.20 : 1,027,889.10 = 365,082.60 : x
  2. Step 2: Convert to fraction form
    684,676.20/1,027,889.10 = 365,082.60/x
  3. Step 3: Cross multiply
    684,676.20x = 1,027,889.10 × 365,082.60
  4. Step 4: Simplify right side
    684,676.20x = 375,264,425,139.66
  5. Step 5: Solve for x
    x = 375,264,425,139.66/684,676.20
  6. Step 6: Final answer
    x = 548,090.36

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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.