Home / 727,846.52-1,004,449.32-421,924.16

Finding the Fourth Proportional to 727,846.52, 1,004,449.32 and 421,924.16

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Solution

The fourth proportional to 727,846.52, 1,004,449.32 and 421,924.16 is: 582,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,846.52 : 1,004,449.32 = 421,924.16 : x
  2. Step 2: Convert to fraction form
    727,846.52/1,004,449.32 = 421,924.16/x
  3. Step 3: Cross multiply
    727,846.52x = 1,004,449.32 × 421,924.16
  4. Step 4: Simplify right side
    727,846.52x = 423,801,435,603.57
  5. Step 5: Solve for x
    x = 423,801,435,603.57/727,846.52
  6. Step 6: Final answer
    x = 582,267.59

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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.