Home / 434,446.20-651,669.30-374,311.80

Finding the Fourth Proportional to 434,446.20, 651,669.30 and 374,311.80

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Solution

The fourth proportional to 434,446.20, 651,669.30 and 374,311.80 is: 561,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,446.20 : 651,669.30 = 374,311.80 : x
  2. Step 2: Convert to fraction form
    434,446.20/651,669.30 = 374,311.80/x
  3. Step 3: Cross multiply
    434,446.20x = 651,669.30 × 374,311.80
  4. Step 4: Simplify right side
    434,446.20x = 243,927,508,687.74
  5. Step 5: Solve for x
    x = 243,927,508,687.74/434,446.20
  6. Step 6: Final answer
    x = 561,467.70

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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.