Home / 410,880.48-616,460.82-221,360.28

Finding the Fourth Proportional to 410,880.48, 616,460.82 and 221,360.28

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Solution

The fourth proportional to 410,880.48, 616,460.82 and 221,360.28 is: 332,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,880.48 : 616,460.82 = 221,360.28 : x
  2. Step 2: Convert to fraction form
    410,880.48/616,460.82 = 221,360.28/x
  3. Step 3: Cross multiply
    410,880.48x = 616,460.82 × 221,360.28
  4. Step 4: Simplify right side
    410,880.48x = 136,459,939,724.23
  5. Step 5: Solve for x
    x = 136,459,939,724.23/410,880.48
  6. Step 6: Final answer
    x = 332,115.90

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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.