Home / 530,785.82-795,514.77-418,020.69

Finding the Fourth Proportional to 530,785.82, 795,514.77 and 418,020.69

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Solution

The fourth proportional to 530,785.82, 795,514.77 and 418,020.69 is: 626,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,785.82 : 795,514.77 = 418,020.69 : x
  2. Step 2: Convert to fraction form
    530,785.82/795,514.77 = 418,020.69/x
  3. Step 3: Cross multiply
    530,785.82x = 795,514.77 × 418,020.69
  4. Step 4: Simplify right side
    530,785.82x = 332,541,636,043.77
  5. Step 5: Solve for x
    x = 332,541,636,043.77/530,785.82
  6. Step 6: Final answer
    x = 626,508.14

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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.