Home / 402,536.20-603,113.10-262,222.60

Finding the Fourth Proportional to 402,536.20, 603,113.10 and 262,222.60

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Solution

The fourth proportional to 402,536.20, 603,113.10 and 262,222.60 is: 392,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,536.20 : 603,113.10 = 262,222.60 : x
  2. Step 2: Convert to fraction form
    402,536.20/603,113.10 = 262,222.60/x
  3. Step 3: Cross multiply
    402,536.20x = 603,113.10 × 262,222.60
  4. Step 4: Simplify right side
    402,536.20x = 158,149,885,176.06
  5. Step 5: Solve for x
    x = 158,149,885,176.06/402,536.20
  6. Step 6: Final answer
    x = 392,883.63

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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.