Home / 1,112,005.65-1,534,709.91-622,002.39

Finding the Fourth Proportional to 1,112,005.65, 1,534,709.91 and 622,002.39

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Solution

The fourth proportional to 1,112,005.65, 1,534,709.91 and 622,002.39 is: 858,442.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,005.65 : 1,534,709.91 = 622,002.39 : x
  2. Step 2: Convert to fraction form
    1,112,005.65/1,534,709.91 = 622,002.39/x
  3. Step 3: Cross multiply
    1,112,005.65x = 1,534,709.91 × 622,002.39
  4. Step 4: Simplify right side
    1,112,005.65x = 954,593,230,737.87
  5. Step 5: Solve for x
    x = 954,593,230,737.87/1,112,005.65
  6. Step 6: Final answer
    x = 858,442.79

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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.