Home / 514,560.20-771,840.30-159,610.10

Finding the Fourth Proportional to 514,560.20, 771,840.30 and 159,610.10

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Solution

The fourth proportional to 514,560.20, 771,840.30 and 159,610.10 is: 239,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,560.20 : 771,840.30 = 159,610.10 : x
  2. Step 2: Convert to fraction form
    514,560.20/771,840.30 = 159,610.10/x
  3. Step 3: Cross multiply
    514,560.20x = 771,840.30 × 159,610.10
  4. Step 4: Simplify right side
    514,560.20x = 123,193,507,467.03
  5. Step 5: Solve for x
    x = 123,193,507,467.03/514,560.20
  6. Step 6: Final answer
    x = 239,415.15

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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.