Home / 434,519.40-651,779.10-397,194.60

Finding the Fourth Proportional to 434,519.40, 651,779.10 and 397,194.60

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Solution

The fourth proportional to 434,519.40, 651,779.10 and 397,194.60 is: 595,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,519.40 : 651,779.10 = 397,194.60 : x
  2. Step 2: Convert to fraction form
    434,519.40/651,779.10 = 397,194.60/x
  3. Step 3: Cross multiply
    434,519.40x = 651,779.10 × 397,194.60
  4. Step 4: Simplify right side
    434,519.40x = 258,883,138,912.86
  5. Step 5: Solve for x
    x = 258,883,138,912.86/434,519.40
  6. Step 6: Final answer
    x = 595,791.90

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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.