Home / 874,844.56-1,199,411.76-858,901.36

Finding the Fourth Proportional to 874,844.56, 1,199,411.76 and 858,901.36

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Solution

The fourth proportional to 874,844.56, 1,199,411.76 and 858,901.36 is: 1,177,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,844.56 : 1,199,411.76 = 858,901.36 : x
  2. Step 2: Convert to fraction form
    874,844.56/1,199,411.76 = 858,901.36/x
  3. Step 3: Cross multiply
    874,844.56x = 1,199,411.76 × 858,901.36
  4. Step 4: Simplify right side
    874,844.56x = 1,030,176,391,863.99
  5. Step 5: Solve for x
    x = 1,030,176,391,863.99/874,844.56
  6. Step 6: Final answer
    x = 1,177,553.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.