Home / 674,743.12-1,012,166.86-225,465.55

Finding the Fourth Proportional to 674,743.12, 1,012,166.86 and 225,465.55

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Solution

The fourth proportional to 674,743.12, 1,012,166.86 and 225,465.55 is: 338,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,743.12 : 1,012,166.86 = 225,465.55 : x
  2. Step 2: Convert to fraction form
    674,743.12/1,012,166.86 = 225,465.55/x
  3. Step 3: Cross multiply
    674,743.12x = 1,012,166.86 × 225,465.55
  4. Step 4: Simplify right side
    674,743.12x = 228,208,757,781.67
  5. Step 5: Solve for x
    x = 228,208,757,781.67/674,743.12
  6. Step 6: Final answer
    x = 338,215.76

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1.5x scale

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.