Home / 470,826.39-649,745.91-255,961.74

Finding the Fourth Proportional to 470,826.39, 649,745.91 and 255,961.74

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Solution

The fourth proportional to 470,826.39, 649,745.91 and 255,961.74 is: 353,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,826.39 : 649,745.91 = 255,961.74 : x
  2. Step 2: Convert to fraction form
    470,826.39/649,745.91 = 255,961.74/x
  3. Step 3: Cross multiply
    470,826.39x = 649,745.91 × 255,961.74
  4. Step 4: Simplify right side
    470,826.39x = 166,310,093,681.48
  5. Step 5: Solve for x
    x = 166,310,093,681.48/470,826.39
  6. Step 6: Final answer
    x = 353,230.19

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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.