Home / 1,904,754.19-2,856,956.32-642,592.75

Finding the Fourth Proportional to 1,904,754.19, 2,856,956.32 and 642,592.75

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Solution

The fourth proportional to 1,904,754.19, 2,856,956.32 and 642,592.75 is: 963,830.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,754.19 : 2,856,956.32 = 642,592.75 : x
  2. Step 2: Convert to fraction form
    1,904,754.19/2,856,956.32 = 642,592.75/x
  3. Step 3: Cross multiply
    1,904,754.19x = 2,856,956.32 × 642,592.75
  4. Step 4: Simplify right side
    1,904,754.19x = 1,835,859,400,800.93
  5. Step 5: Solve for x
    x = 1,835,859,400,800.93/1,904,754.19
  6. Step 6: Final answer
    x = 963,830.09

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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.