Home / 979,216.88-1,467,644.28-505,644.08

Finding the Fourth Proportional to 979,216.88, 1,467,644.28 and 505,644.08

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Solution

The fourth proportional to 979,216.88, 1,467,644.28 and 505,644.08 is: 757,856.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,216.88 : 1,467,644.28 = 505,644.08 : x
  2. Step 2: Convert to fraction form
    979,216.88/1,467,644.28 = 505,644.08/x
  3. Step 3: Cross multiply
    979,216.88x = 1,467,644.28 × 505,644.08
  4. Step 4: Simplify right side
    979,216.88x = 742,105,641,727.86
  5. Step 5: Solve for x
    x = 742,105,641,727.86/979,216.88
  6. Step 6: Final answer
    x = 757,856.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.