Home / 770,213.68-1,062,813.11-425,994.93

Finding the Fourth Proportional to 770,213.68, 1,062,813.11 and 425,994.93

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Solution

The fourth proportional to 770,213.68, 1,062,813.11 and 425,994.93 is: 587,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,213.68 : 1,062,813.11 = 425,994.93 : x
  2. Step 2: Convert to fraction form
    770,213.68/1,062,813.11 = 425,994.93/x
  3. Step 3: Cross multiply
    770,213.68x = 1,062,813.11 × 425,994.93
  4. Step 4: Simplify right side
    770,213.68x = 452,752,994,267.56
  5. Step 5: Solve for x
    x = 452,752,994,267.56/770,213.68
  6. Step 6: Final answer
    x = 587,827.78

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1.5x scale

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.