Home / 478,050.72-659,704.68-263,186.34

Finding the Fourth Proportional to 478,050.72, 659,704.68 and 263,186.34

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Solution

The fourth proportional to 478,050.72, 659,704.68 and 263,186.34 is: 363,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,050.72 : 659,704.68 = 263,186.34 : x
  2. Step 2: Convert to fraction form
    478,050.72/659,704.68 = 263,186.34/x
  3. Step 3: Cross multiply
    478,050.72x = 659,704.68 × 263,186.34
  4. Step 4: Simplify right side
    478,050.72x = 173,625,260,210.07
  5. Step 5: Solve for x
    x = 173,625,260,210.07/478,050.72
  6. Step 6: Final answer
    x = 363,194.22

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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.