Home / 577,298.59-865,865.34-198,212.21

Finding the Fourth Proportional to 577,298.59, 865,865.34 and 198,212.21

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Solution

The fourth proportional to 577,298.59, 865,865.34 and 198,212.21 is: 297,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,298.59 : 865,865.34 = 198,212.21 : x
  2. Step 2: Convert to fraction form
    577,298.59/865,865.34 = 198,212.21/x
  3. Step 3: Cross multiply
    577,298.59x = 865,865.34 × 198,212.21
  4. Step 4: Simplify right side
    577,298.59x = 171,625,081,612.74
  5. Step 5: Solve for x
    x = 171,625,081,612.74/577,298.59
  6. Step 6: Final answer
    x = 297,289.97

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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.