Home / 469,922.19-648,492.68-255,062.21

Finding the Fourth Proportional to 469,922.19, 648,492.68 and 255,062.21

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Solution

The fourth proportional to 469,922.19, 648,492.68 and 255,062.21 is: 351,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,922.19 : 648,492.68 = 255,062.21 : x
  2. Step 2: Convert to fraction form
    469,922.19/648,492.68 = 255,062.21/x
  3. Step 3: Cross multiply
    469,922.19x = 648,492.68 × 255,062.21
  4. Step 4: Simplify right side
    469,922.19x = 165,405,971,611.85
  5. Step 5: Solve for x
    x = 165,405,971,611.85/469,922.19
  6. Step 6: Final answer
    x = 351,985.87

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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.