Home / 850,198.70-1,173,266.43-468,217.28

Finding the Fourth Proportional to 850,198.70, 1,173,266.43 and 468,217.28

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Solution

The fourth proportional to 850,198.70, 1,173,266.43 and 468,217.28 is: 646,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,198.70 : 1,173,266.43 = 468,217.28 : x
  2. Step 2: Convert to fraction form
    850,198.70/1,173,266.43 = 468,217.28/x
  3. Step 3: Cross multiply
    850,198.70x = 1,173,266.43 × 468,217.28
  4. Step 4: Simplify right side
    850,198.70x = 549,343,616,569.91
  5. Step 5: Solve for x
    x = 549,343,616,569.91/850,198.70
  6. Step 6: Final answer
    x = 646,135.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.