Home / 961,814.30-1,327,065.27-621,873.50

Finding the Fourth Proportional to 961,814.30, 1,327,065.27 and 621,873.50

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Solution

The fourth proportional to 961,814.30, 1,327,065.27 and 621,873.50 is: 858,031.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,814.30 : 1,327,065.27 = 621,873.50 : x
  2. Step 2: Convert to fraction form
    961,814.30/1,327,065.27 = 621,873.50/x
  3. Step 3: Cross multiply
    961,814.30x = 1,327,065.27 × 621,873.50
  4. Step 4: Simplify right side
    961,814.30x = 825,266,724,183.35
  5. Step 5: Solve for x
    x = 825,266,724,183.35/961,814.30
  6. Step 6: Final answer
    x = 858,031.25

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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.