Home / 387,212.60-580,877.83-197,569.33

Finding the Fourth Proportional to 387,212.60, 580,877.83 and 197,569.33

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Solution

The fourth proportional to 387,212.60, 580,877.83 and 197,569.33 is: 296,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,212.60 : 580,877.83 = 197,569.33 : x
  2. Step 2: Convert to fraction form
    387,212.60/580,877.83 = 197,569.33/x
  3. Step 3: Cross multiply
    387,212.60x = 580,877.83 × 197,569.33
  4. Step 4: Simplify right side
    387,212.60x = 114,763,642,479.72
  5. Step 5: Solve for x
    x = 114,763,642,479.72/387,212.60
  6. Step 6: Final answer
    x = 296,384.06

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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.