Home / 740,950.89-1,022,513.27-401,419.14

Finding the Fourth Proportional to 740,950.89, 1,022,513.27 and 401,419.14

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Solution

The fourth proportional to 740,950.89, 1,022,513.27 and 401,419.14 is: 553,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,950.89 : 1,022,513.27 = 401,419.14 : x
  2. Step 2: Convert to fraction form
    740,950.89/1,022,513.27 = 401,419.14/x
  3. Step 3: Cross multiply
    740,950.89x = 1,022,513.27 × 401,419.14
  4. Step 4: Simplify right side
    740,950.89x = 410,456,397,481.99
  5. Step 5: Solve for x
    x = 410,456,397,481.99/740,950.89
  6. Step 6: Final answer
    x = 553,958.98

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1.5x scale

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.