Home / 709,986.88-1,064,191.46-540,949.91

Finding the Fourth Proportional to 709,986.88, 1,064,191.46 and 540,949.91

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Solution

The fourth proportional to 709,986.88, 1,064,191.46 and 540,949.91 is: 810,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,986.88 : 1,064,191.46 = 540,949.91 : x
  2. Step 2: Convert to fraction form
    709,986.88/1,064,191.46 = 540,949.91/x
  3. Step 3: Cross multiply
    709,986.88x = 1,064,191.46 × 540,949.91
  4. Step 4: Simplify right side
    709,986.88x = 575,674,266,484.06
  5. Step 5: Solve for x
    x = 575,674,266,484.06/709,986.88
  6. Step 6: Final answer
    x = 810,823.81

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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.