Home / 741,400.11-1,023,132.60-401,868.36

Finding the Fourth Proportional to 741,400.11, 1,023,132.60 and 401,868.36

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Solution

The fourth proportional to 741,400.11, 1,023,132.60 and 401,868.36 is: 554,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,400.11 : 1,023,132.60 = 401,868.36 : x
  2. Step 2: Convert to fraction form
    741,400.11/1,023,132.60 = 401,868.36/x
  3. Step 3: Cross multiply
    741,400.11x = 1,023,132.60 × 401,868.36
  4. Step 4: Simplify right side
    741,400.11x = 411,164,620,024.54
  5. Step 5: Solve for x
    x = 411,164,620,024.54/741,400.11
  6. Step 6: Final answer
    x = 554,578.58

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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.