Home / 1,904,376.78-2,856,781.86-690,525.15

Finding the Fourth Proportional to 1,904,376.78, 2,856,781.86 and 690,525.15

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Solution

The fourth proportional to 1,904,376.78, 2,856,781.86 and 690,525.15 is: 1,035,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,376.78 : 2,856,781.86 = 690,525.15 : x
  2. Step 2: Convert to fraction form
    1,904,376.78/2,856,781.86 = 690,525.15/x
  3. Step 3: Cross multiply
    1,904,376.78x = 2,856,781.86 × 690,525.15
  4. Step 4: Simplify right side
    1,904,376.78x = 1,972,679,722,393.78
  5. Step 5: Solve for x
    x = 1,972,679,722,393.78/1,904,376.78
  6. Step 6: Final answer
    x = 1,035,866.30

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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.