Home / 765,091.46-1,055,783.94-425,537.84

Finding the Fourth Proportional to 765,091.46, 1,055,783.94 and 425,537.84

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Solution

The fourth proportional to 765,091.46, 1,055,783.94 and 425,537.84 is: 587,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,091.46 : 1,055,783.94 = 425,537.84 : x
  2. Step 2: Convert to fraction form
    765,091.46/1,055,783.94 = 425,537.84/x
  3. Step 3: Cross multiply
    765,091.46x = 1,055,783.94 × 425,537.84
  4. Step 4: Simplify right side
    765,091.46x = 449,276,018,377.98
  5. Step 5: Solve for x
    x = 449,276,018,377.98/765,091.46
  6. Step 6: Final answer
    x = 587,218.71

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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.