Home / 691,062.86-1,036,646.77-235,512.52

Finding the Fourth Proportional to 691,062.86, 1,036,646.77 and 235,512.52

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Solution

The fourth proportional to 691,062.86, 1,036,646.77 and 235,512.52 is: 353,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,062.86 : 1,036,646.77 = 235,512.52 : x
  2. Step 2: Convert to fraction form
    691,062.86/1,036,646.77 = 235,512.52/x
  3. Step 3: Cross multiply
    691,062.86x = 1,036,646.77 × 235,512.52
  4. Step 4: Simplify right side
    691,062.86x = 244,143,293,152.56
  5. Step 5: Solve for x
    x = 244,143,293,152.56/691,062.86
  6. Step 6: Final answer
    x = 353,286.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.