Home / 1,858,008.72-2,786,714.76-509,856.48

Finding the Fourth Proportional to 1,858,008.72, 2,786,714.76 and 509,856.48

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Solution

The fourth proportional to 1,858,008.72, 2,786,714.76 and 509,856.48 is: 764,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,008.72 : 2,786,714.76 = 509,856.48 : x
  2. Step 2: Convert to fraction form
    1,858,008.72/2,786,714.76 = 509,856.48/x
  3. Step 3: Cross multiply
    1,858,008.72x = 2,786,714.76 × 509,856.48
  4. Step 4: Simplify right side
    1,858,008.72x = 1,420,824,578,297.64
  5. Step 5: Solve for x
    x = 1,420,824,578,297.64/1,858,008.72
  6. Step 6: Final answer
    x = 764,702.86

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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.