Home / 808,825.59-1,214,288.15-621,968.31

Finding the Fourth Proportional to 808,825.59, 1,214,288.15 and 621,968.31

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Solution

The fourth proportional to 808,825.59, 1,214,288.15 and 621,968.31 is: 933,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,825.59 : 1,214,288.15 = 621,968.31 : x
  2. Step 2: Convert to fraction form
    808,825.59/1,214,288.15 = 621,968.31/x
  3. Step 3: Cross multiply
    808,825.59x = 1,214,288.15 × 621,968.31
  4. Step 4: Simplify right side
    808,825.59x = 755,248,745,398.69
  5. Step 5: Solve for x
    x = 755,248,745,398.69/808,825.59
  6. Step 6: Final answer
    x = 933,759.71

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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.