Home / 838,624.12-1,263,537.77-758,764.46

Finding the Fourth Proportional to 838,624.12, 1,263,537.77 and 758,764.46

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Solution

The fourth proportional to 838,624.12, 1,263,537.77 and 758,764.46 is: 1,143,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,624.12 : 1,263,537.77 = 758,764.46 : x
  2. Step 2: Convert to fraction form
    838,624.12/1,263,537.77 = 758,764.46/x
  3. Step 3: Cross multiply
    838,624.12x = 1,263,537.77 × 758,764.46
  4. Step 4: Simplify right side
    838,624.12x = 958,727,553,108.68
  5. Step 5: Solve for x
    x = 958,727,553,108.68/838,624.12
  6. Step 6: Final answer
    x = 1,143,214.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.