Home / 542,917.20-812,336.65-337,814.19

Finding the Fourth Proportional to 542,917.20, 812,336.65 and 337,814.19

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Solution

The fourth proportional to 542,917.20, 812,336.65 and 337,814.19 is: 505,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,917.20 : 812,336.65 = 337,814.19 : x
  2. Step 2: Convert to fraction form
    542,917.20/812,336.65 = 337,814.19/x
  3. Step 3: Cross multiply
    542,917.20x = 812,336.65 × 337,814.19
  4. Step 4: Simplify right side
    542,917.20x = 274,418,847,849.33
  5. Step 5: Solve for x
    x = 274,418,847,849.33/542,917.20
  6. Step 6: Final answer
    x = 505,452.48

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1.5x scale

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.