Home / 1,588,979.76-2,192,787.36-863,826.72

Finding the Fourth Proportional to 1,588,979.76, 2,192,787.36 and 863,826.72

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Solution

The fourth proportional to 1,588,979.76, 2,192,787.36 and 863,826.72 is: 1,192,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,979.76 : 2,192,787.36 = 863,826.72 : x
  2. Step 2: Convert to fraction form
    1,588,979.76/2,192,787.36 = 863,826.72/x
  3. Step 3: Cross multiply
    1,588,979.76x = 2,192,787.36 × 863,826.72
  4. Step 4: Simplify right side
    1,588,979.76x = 1,894,188,312,846.26
  5. Step 5: Solve for x
    x = 1,894,188,312,846.26/1,588,979.76
  6. Step 6: Final answer
    x = 1,192,078.31

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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.