Home / 864,535.42-1,193,055.91-482,558.86

Finding the Fourth Proportional to 864,535.42, 1,193,055.91 and 482,558.86

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Solution

The fourth proportional to 864,535.42, 1,193,055.91 and 482,558.86 is: 665,929.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,535.42 : 1,193,055.91 = 482,558.86 : x
  2. Step 2: Convert to fraction form
    864,535.42/1,193,055.91 = 482,558.86/x
  3. Step 3: Cross multiply
    864,535.42x = 1,193,055.91 × 482,558.86
  4. Step 4: Simplify right side
    864,535.42x = 575,719,699,845.86
  5. Step 5: Solve for x
    x = 575,719,699,845.86/864,535.42
  6. Step 6: Final answer
    x = 665,929.57

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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.