Home / 743,524.11-1,026,069.53-403,992.36

Finding the Fourth Proportional to 743,524.11, 1,026,069.53 and 403,992.36

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Solution

The fourth proportional to 743,524.11, 1,026,069.53 and 403,992.36 is: 557,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,524.11 : 1,026,069.53 = 403,992.36 : x
  2. Step 2: Convert to fraction form
    743,524.11/1,026,069.53 = 403,992.36/x
  3. Step 3: Cross multiply
    743,524.11x = 1,026,069.53 × 403,992.36
  4. Step 4: Simplify right side
    743,524.11x = 414,524,248,928.83
  5. Step 5: Solve for x
    x = 414,524,248,928.83/743,524.11
  6. Step 6: Final answer
    x = 557,512.85

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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.