Home / 402,566.76-603,811.26-122,086.44

Finding the Fourth Proportional to 402,566.76, 603,811.26 and 122,086.44

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Solution

The fourth proportional to 402,566.76, 603,811.26 and 122,086.44 is: 183,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,566.76 : 603,811.26 = 122,086.44 : x
  2. Step 2: Convert to fraction form
    402,566.76/603,811.26 = 122,086.44/x
  3. Step 3: Cross multiply
    402,566.76x = 603,811.26 × 122,086.44
  4. Step 4: Simplify right side
    402,566.76x = 73,717,167,165.31
  5. Step 5: Solve for x
    x = 73,717,167,165.31/402,566.76
  6. Step 6: Final answer
    x = 183,117.87

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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.