Home / 1,516,772.81-2,275,165.44-379,531.91

Finding the Fourth Proportional to 1,516,772.81, 2,275,165.44 and 379,531.91

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Solution

The fourth proportional to 1,516,772.81, 2,275,165.44 and 379,531.91 is: 569,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,772.81 : 2,275,165.44 = 379,531.91 : x
  2. Step 2: Convert to fraction form
    1,516,772.81/2,275,165.44 = 379,531.91/x
  3. Step 3: Cross multiply
    1,516,772.81x = 2,275,165.44 × 379,531.91
  4. Step 4: Simplify right side
    1,516,772.81x = 863,497,873,633.36
  5. Step 5: Solve for x
    x = 863,497,873,633.36/1,516,772.81
  6. Step 6: Final answer
    x = 569,299.42

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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.