Home / 1,690,048.83-2,535,073.25-410,649.73

Finding the Fourth Proportional to 1,690,048.83, 2,535,073.25 and 410,649.73

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Solution

The fourth proportional to 1,690,048.83, 2,535,073.25 and 410,649.73 is: 615,974.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,048.83 : 2,535,073.25 = 410,649.73 : x
  2. Step 2: Convert to fraction form
    1,690,048.83/2,535,073.25 = 410,649.73/x
  3. Step 3: Cross multiply
    1,690,048.83x = 2,535,073.25 × 410,649.73
  4. Step 4: Simplify right side
    1,690,048.83x = 1,041,027,140,331.66
  5. Step 5: Solve for x
    x = 1,041,027,140,331.66/1,690,048.83
  6. Step 6: Final answer
    x = 615,974.59

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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.