Home / 1,108,469.08-1,529,557.38-625,005.46

Finding the Fourth Proportional to 1,108,469.08, 1,529,557.38 and 625,005.46

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Solution

The fourth proportional to 1,108,469.08, 1,529,557.38 and 625,005.46 is: 862,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,469.08 : 1,529,557.38 = 625,005.46 : x
  2. Step 2: Convert to fraction form
    1,108,469.08/1,529,557.38 = 625,005.46/x
  3. Step 3: Cross multiply
    1,108,469.08x = 1,529,557.38 × 625,005.46
  4. Step 4: Simplify right side
    1,108,469.08x = 955,981,713,883.30
  5. Step 5: Solve for x
    x = 955,981,713,883.30/1,108,469.08
  6. Step 6: Final answer
    x = 862,434.26

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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.