Home / 1,904,421.92-2,856,649.63-484,479.50

Finding the Fourth Proportional to 1,904,421.92, 2,856,649.63 and 484,479.50

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Solution

The fourth proportional to 1,904,421.92, 2,856,649.63 and 484,479.50 is: 726,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,421.92 : 2,856,649.63 = 484,479.50 : x
  2. Step 2: Convert to fraction form
    1,904,421.92/2,856,649.63 = 484,479.50/x
  3. Step 3: Cross multiply
    1,904,421.92x = 2,856,649.63 × 484,479.50
  4. Step 4: Simplify right side
    1,904,421.92x = 1,383,988,181,995.19
  5. Step 5: Solve for x
    x = 1,383,988,181,995.19/1,904,421.92
  6. Step 6: Final answer
    x = 726,723.51

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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.