Home / 439,764.39-658,530.09-368,499.60

Finding the Fourth Proportional to 439,764.39, 658,530.09 and 368,499.60

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Solution

The fourth proportional to 439,764.39, 658,530.09 and 368,499.60 is: 551,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,764.39 : 658,530.09 = 368,499.60 : x
  2. Step 2: Convert to fraction form
    439,764.39/658,530.09 = 368,499.60/x
  3. Step 3: Cross multiply
    439,764.39x = 658,530.09 × 368,499.60
  4. Step 4: Simplify right side
    439,764.39x = 242,668,074,752.96
  5. Step 5: Solve for x
    x = 242,668,074,752.96/439,764.39
  6. Step 6: Final answer
    x = 551,813.84

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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.