Home / 709,986.13-1,064,190.33-540,949.15

Finding the Fourth Proportional to 709,986.13, 1,064,190.33 and 540,949.15

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Solution

The fourth proportional to 709,986.13, 1,064,190.33 and 540,949.15 is: 810,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,986.13 : 1,064,190.33 = 540,949.15 : x
  2. Step 2: Convert to fraction form
    709,986.13/1,064,190.33 = 540,949.15/x
  3. Step 3: Cross multiply
    709,986.13x = 1,064,190.33 × 540,949.15
  4. Step 4: Simplify right side
    709,986.13x = 575,672,857,777.31
  5. Step 5: Solve for x
    x = 575,672,857,777.31/709,986.13
  6. Step 6: Final answer
    x = 810,822.68

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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.