Home / 770,950.14-1,063,894.32-422,089.82

Finding the Fourth Proportional to 770,950.14, 1,063,894.32 and 422,089.82

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Solution

The fourth proportional to 770,950.14, 1,063,894.32 and 422,089.82 is: 582,474.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,950.14 : 1,063,894.32 = 422,089.82 : x
  2. Step 2: Convert to fraction form
    770,950.14/1,063,894.32 = 422,089.82/x
  3. Step 3: Cross multiply
    770,950.14x = 1,063,894.32 × 422,089.82
  4. Step 4: Simplify right side
    770,950.14x = 449,058,962,027.82
  5. Step 5: Solve for x
    x = 449,058,962,027.82/770,950.14
  6. Step 6: Final answer
    x = 582,474.71

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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.