Home / 445,970.36-669,140.22-246,272.96

Finding the Fourth Proportional to 445,970.36, 669,140.22 and 246,272.96

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Solution

The fourth proportional to 445,970.36, 669,140.22 and 246,272.96 is: 369,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,970.36 : 669,140.22 = 246,272.96 : x
  2. Step 2: Convert to fraction form
    445,970.36/669,140.22 = 246,272.96/x
  3. Step 3: Cross multiply
    445,970.36x = 669,140.22 × 246,272.96
  4. Step 4: Simplify right side
    445,970.36x = 164,791,145,230.83
  5. Step 5: Solve for x
    x = 164,791,145,230.83/445,970.36
  6. Step 6: Final answer
    x = 369,511.43

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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.