Home / 892,357.28-1,231,101.84-510,178.72

Finding the Fourth Proportional to 892,357.28, 1,231,101.84 and 510,178.72

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Solution

The fourth proportional to 892,357.28, 1,231,101.84 and 510,178.72 is: 703,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,357.28 : 1,231,101.84 = 510,178.72 : x
  2. Step 2: Convert to fraction form
    892,357.28/1,231,101.84 = 510,178.72/x
  3. Step 3: Cross multiply
    892,357.28x = 1,231,101.84 × 510,178.72
  4. Step 4: Simplify right side
    892,357.28x = 628,081,960,920.85
  5. Step 5: Solve for x
    x = 628,081,960,920.85/892,357.28
  6. Step 6: Final answer
    x = 703,845.84

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1.5x scale

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.