Home / 664,661.17-914,923.38-579,630.61

Finding the Fourth Proportional to 664,661.17, 914,923.38 and 579,630.61

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Solution

The fourth proportional to 664,661.17, 914,923.38 and 579,630.61 is: 797,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,661.17 : 914,923.38 = 579,630.61 : x
  2. Step 2: Convert to fraction form
    664,661.17/914,923.38 = 579,630.61/x
  3. Step 3: Cross multiply
    664,661.17x = 914,923.38 × 579,630.61
  4. Step 4: Simplify right side
    664,661.17x = 530,317,596,852.66
  5. Step 5: Solve for x
    x = 530,317,596,852.66/664,661.17
  6. Step 6: Final answer
    x = 797,876.60

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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.