Home / 770,949.41-1,063,893.29-422,089.07

Finding the Fourth Proportional to 770,949.41, 1,063,893.29 and 422,089.07

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Solution

The fourth proportional to 770,949.41, 1,063,893.29 and 422,089.07 is: 582,473.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,949.41 : 1,063,893.29 = 422,089.07 : x
  2. Step 2: Convert to fraction form
    770,949.41/1,063,893.29 = 422,089.07/x
  3. Step 3: Cross multiply
    770,949.41x = 1,063,893.29 × 422,089.07
  4. Step 4: Simplify right side
    770,949.41x = 449,057,721,925.43
  5. Step 5: Solve for x
    x = 449,057,721,925.43/770,949.41
  6. Step 6: Final answer
    x = 582,473.66

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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.