Home / 439,566.86-606,605.20-255,914.91

Finding the Fourth Proportional to 439,566.86, 606,605.20 and 255,914.91

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Solution

The fourth proportional to 439,566.86, 606,605.20 and 255,914.91 is: 353,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,566.86 : 606,605.20 = 255,914.91 : x
  2. Step 2: Convert to fraction form
    439,566.86/606,605.20 = 255,914.91/x
  3. Step 3: Cross multiply
    439,566.86x = 606,605.20 × 255,914.91
  4. Step 4: Simplify right side
    439,566.86x = 155,239,314,523.75
  5. Step 5: Solve for x
    x = 155,239,314,523.75/439,566.86
  6. Step 6: Final answer
    x = 353,164.28

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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.