Home / 1,456,234.73-2,009,613.27-811,695.80

Finding the Fourth Proportional to 1,456,234.73, 2,009,613.27 and 811,695.80

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Solution

The fourth proportional to 1,456,234.73, 2,009,613.27 and 811,695.80 is: 1,120,145.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,234.73 : 2,009,613.27 = 811,695.80 : x
  2. Step 2: Convert to fraction form
    1,456,234.73/2,009,613.27 = 811,695.80/x
  3. Step 3: Cross multiply
    1,456,234.73x = 2,009,613.27 × 811,695.80
  4. Step 4: Simplify right side
    1,456,234.73x = 1,631,194,650,883.27
  5. Step 5: Solve for x
    x = 1,631,194,650,883.27/1,456,234.73
  6. Step 6: Final answer
    x = 1,120,145.41

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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.