Home / 2,345,542.70-3,518,649.39-748,123.88

Finding the Fourth Proportional to 2,345,542.70, 3,518,649.39 and 748,123.88

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Solution

The fourth proportional to 2,345,542.70, 3,518,649.39 and 748,123.88 is: 1,122,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345,542.70 : 3,518,649.39 = 748,123.88 : x
  2. Step 2: Convert to fraction form
    2,345,542.70/3,518,649.39 = 748,123.88/x
  3. Step 3: Cross multiply
    2,345,542.70x = 3,518,649.39 × 748,123.88
  4. Step 4: Simplify right side
    2,345,542.70x = 2,632,385,634,006.43
  5. Step 5: Solve for x
    x = 2,632,385,634,006.43/2,345,542.70
  6. Step 6: Final answer
    x = 1,122,292.78

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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.