Home / 1,108,305.56-1,529,431.12-624,866.51

Finding the Fourth Proportional to 1,108,305.56, 1,529,431.12 and 624,866.51

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Solution

The fourth proportional to 1,108,305.56, 1,529,431.12 and 624,866.51 is: 862,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,305.56 : 1,529,431.12 = 624,866.51 : x
  2. Step 2: Convert to fraction form
    1,108,305.56/1,529,431.12 = 624,866.51/x
  3. Step 3: Cross multiply
    1,108,305.56x = 1,529,431.12 × 624,866.51
  4. Step 4: Simplify right side
    1,108,305.56x = 955,690,286,239.79
  5. Step 5: Solve for x
    x = 955,690,286,239.79/1,108,305.56
  6. Step 6: Final answer
    x = 862,298.56

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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.