Home / 479,557.11-661,788.86-264,697.23

Finding the Fourth Proportional to 479,557.11, 661,788.86 and 264,697.23

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Solution

The fourth proportional to 479,557.11, 661,788.86 and 264,697.23 is: 365,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,557.11 : 661,788.86 = 264,697.23 : x
  2. Step 2: Convert to fraction form
    479,557.11/661,788.86 = 264,697.23/x
  3. Step 3: Cross multiply
    479,557.11x = 661,788.86 × 264,697.23
  4. Step 4: Simplify right side
    479,557.11x = 175,173,678,086.86
  5. Step 5: Solve for x
    x = 175,173,678,086.86/479,557.11
  6. Step 6: Final answer
    x = 365,282.20

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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.