Home / 584,783.20-877,078.66-205,614.82

Finding the Fourth Proportional to 584,783.20, 877,078.66 and 205,614.82

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Solution

The fourth proportional to 584,783.20, 877,078.66 and 205,614.82 is: 308,388.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,783.20 : 877,078.66 = 205,614.82 : x
  2. Step 2: Convert to fraction form
    584,783.20/877,078.66 = 205,614.82/x
  3. Step 3: Cross multiply
    584,783.20x = 877,078.66 × 205,614.82
  4. Step 4: Simplify right side
    584,783.20x = 180,340,370,801.74
  5. Step 5: Solve for x
    x = 180,340,370,801.74/584,783.20
  6. Step 6: Final answer
    x = 308,388.43

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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.