Home / 876,442.19-1,311,204.22-663,822.59

Finding the Fourth Proportional to 876,442.19, 1,311,204.22 and 663,822.59

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Solution

The fourth proportional to 876,442.19, 1,311,204.22 and 663,822.59 is: 993,113.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,442.19 : 1,311,204.22 = 663,822.59 : x
  2. Step 2: Convert to fraction form
    876,442.19/1,311,204.22 = 663,822.59/x
  3. Step 3: Cross multiply
    876,442.19x = 1,311,204.22 × 663,822.59
  4. Step 4: Simplify right side
    876,442.19x = 870,406,981,339.33
  5. Step 5: Solve for x
    x = 870,406,981,339.33/876,442.19
  6. Step 6: Final answer
    x = 993,113.97

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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.