Home / 705,849.93-1,058,820.97-516,875.85

Finding the Fourth Proportional to 705,849.93, 1,058,820.97 and 516,875.85

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Solution

The fourth proportional to 705,849.93, 1,058,820.97 and 516,875.85 is: 775,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,849.93 : 1,058,820.97 = 516,875.85 : x
  2. Step 2: Convert to fraction form
    705,849.93/1,058,820.97 = 516,875.85/x
  3. Step 3: Cross multiply
    705,849.93x = 1,058,820.97 × 516,875.85
  4. Step 4: Simplify right side
    705,849.93x = 547,278,980,988.09
  5. Step 5: Solve for x
    x = 547,278,980,988.09/705,849.93
  6. Step 6: Final answer
    x = 775,347.51

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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.