Home / 622,788.27-859,511.27-381,230.47

Finding the Fourth Proportional to 622,788.27, 859,511.27 and 381,230.47

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Solution

The fourth proportional to 622,788.27, 859,511.27 and 381,230.47 is: 526,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,788.27 : 859,511.27 = 381,230.47 : x
  2. Step 2: Convert to fraction form
    622,788.27/859,511.27 = 381,230.47/x
  3. Step 3: Cross multiply
    622,788.27x = 859,511.27 × 381,230.47
  4. Step 4: Simplify right side
    622,788.27x = 327,671,887,459.86
  5. Step 5: Solve for x
    x = 327,671,887,459.86/622,788.27
  6. Step 6: Final answer
    x = 526,136.90

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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.