Home / 1,251,618.82-1,876,807.02-398,579.25

Finding the Fourth Proportional to 1,251,618.82, 1,876,807.02 and 398,579.25

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Solution

The fourth proportional to 1,251,618.82, 1,876,807.02 and 398,579.25 is: 597,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,618.82 : 1,876,807.02 = 398,579.25 : x
  2. Step 2: Convert to fraction form
    1,251,618.82/1,876,807.02 = 398,579.25/x
  3. Step 3: Cross multiply
    1,251,618.82x = 1,876,807.02 × 398,579.25
  4. Step 4: Simplify right side
    1,251,618.82x = 748,056,334,426.34
  5. Step 5: Solve for x
    x = 748,056,334,426.34/1,251,618.82
  6. Step 6: Final answer
    x = 597,671.05

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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.