Home / 1,235,906.20-1,853,859.30-437,213.80

Finding the Fourth Proportional to 1,235,906.20, 1,853,859.30 and 437,213.80

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Solution

The fourth proportional to 1,235,906.20, 1,853,859.30 and 437,213.80 is: 655,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,906.20 : 1,853,859.30 = 437,213.80 : x
  2. Step 2: Convert to fraction form
    1,235,906.20/1,853,859.30 = 437,213.80/x
  3. Step 3: Cross multiply
    1,235,906.20x = 1,853,859.30 × 437,213.80
  4. Step 4: Simplify right side
    1,235,906.20x = 810,532,869,218.34
  5. Step 5: Solve for x
    x = 810,532,869,218.34/1,235,906.20
  6. Step 6: Final answer
    x = 655,820.70

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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.