Home / 1,577,630.40-2,366,791.20-512,491.20

Finding the Fourth Proportional to 1,577,630.40, 2,366,791.20 and 512,491.20

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Solution

The fourth proportional to 1,577,630.40, 2,366,791.20 and 512,491.20 is: 768,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,630.40 : 2,366,791.20 = 512,491.20 : x
  2. Step 2: Convert to fraction form
    1,577,630.40/2,366,791.20 = 512,491.20/x
  3. Step 3: Cross multiply
    1,577,630.40x = 2,366,791.20 × 512,491.20
  4. Step 4: Simplify right side
    1,577,630.40x = 1,212,959,662,237.44
  5. Step 5: Solve for x
    x = 1,212,959,662,237.44/1,577,630.40
  6. Step 6: Final answer
    x = 768,849.07

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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.