Home / 961,710.92-1,327,045.43-553,945.37

Finding the Fourth Proportional to 961,710.92, 1,327,045.43 and 553,945.37

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Solution

The fourth proportional to 961,710.92, 1,327,045.43 and 553,945.37 is: 764,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,710.92 : 1,327,045.43 = 553,945.37 : x
  2. Step 2: Convert to fraction form
    961,710.92/1,327,045.43 = 553,945.37/x
  3. Step 3: Cross multiply
    961,710.92x = 1,327,045.43 × 553,945.37
  4. Step 4: Simplify right side
    961,710.92x = 735,110,668,958.43
  5. Step 5: Solve for x
    x = 735,110,668,958.43/961,710.92
  6. Step 6: Final answer
    x = 764,378.00

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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.