Home / 1,960,471.72-2,940,889.02-762,484.96

Finding the Fourth Proportional to 1,960,471.72, 2,940,889.02 and 762,484.96

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Solution

The fourth proportional to 1,960,471.72, 2,940,889.02 and 762,484.96 is: 1,143,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,471.72 : 2,940,889.02 = 762,484.96 : x
  2. Step 2: Convert to fraction form
    1,960,471.72/2,940,889.02 = 762,484.96/x
  3. Step 3: Cross multiply
    1,960,471.72x = 2,940,889.02 × 762,484.96
  4. Step 4: Simplify right side
    1,960,471.72x = 2,242,383,646,779.14
  5. Step 5: Solve for x
    x = 2,242,383,646,779.14/1,960,471.72
  6. Step 6: Final answer
    x = 1,143,798.01

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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.