Home / 741,400.36-1,023,132.95-401,868.61

Finding the Fourth Proportional to 741,400.36, 1,023,132.95 and 401,868.61

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Solution

The fourth proportional to 741,400.36, 1,023,132.95 and 401,868.61 is: 554,578.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,400.36 : 1,023,132.95 = 401,868.61 : x
  2. Step 2: Convert to fraction form
    741,400.36/1,023,132.95 = 401,868.61/x
  3. Step 3: Cross multiply
    741,400.36x = 1,023,132.95 × 401,868.61
  4. Step 4: Simplify right side
    741,400.36x = 411,165,014,452.36
  5. Step 5: Solve for x
    x = 411,165,014,452.36/741,400.36
  6. Step 6: Final answer
    x = 554,578.92

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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.