Home / 1,876,809.52-2,815,214.82-678,705.04

Finding the Fourth Proportional to 1,876,809.52, 2,815,214.82 and 678,705.04

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Solution

The fourth proportional to 1,876,809.52, 2,815,214.82 and 678,705.04 is: 1,018,057.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,809.52 : 2,815,214.82 = 678,705.04 : x
  2. Step 2: Convert to fraction form
    1,876,809.52/2,815,214.82 = 678,705.04/x
  3. Step 3: Cross multiply
    1,876,809.52x = 2,815,214.82 × 678,705.04
  4. Step 4: Simplify right side
    1,876,809.52x = 1,910,700,487,016.69
  5. Step 5: Solve for x
    x = 1,910,700,487,016.69/1,876,809.52
  6. Step 6: Final answer
    x = 1,018,057.76

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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.