Home / 735,934.32-1,015,625.64-449,408.16

Finding the Fourth Proportional to 735,934.32, 1,015,625.64 and 449,408.16

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Solution

The fourth proportional to 735,934.32, 1,015,625.64 and 449,408.16 is: 620,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,934.32 : 1,015,625.64 = 449,408.16 : x
  2. Step 2: Convert to fraction form
    735,934.32/1,015,625.64 = 449,408.16/x
  3. Step 3: Cross multiply
    735,934.32x = 1,015,625.64 × 449,408.16
  4. Step 4: Simplify right side
    735,934.32x = 456,430,450,121.22
  5. Step 5: Solve for x
    x = 456,430,450,121.22/735,934.32
  6. Step 6: Final answer
    x = 620,205.41

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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.