Home / 735,865.32-1,015,530.30-449,339.16

Finding the Fourth Proportional to 735,865.32, 1,015,530.30 and 449,339.16

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Solution

The fourth proportional to 735,865.32, 1,015,530.30 and 449,339.16 is: 620,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,865.32 : 1,015,530.30 = 449,339.16 : x
  2. Step 2: Convert to fraction form
    735,865.32/1,015,530.30 = 449,339.16/x
  3. Step 3: Cross multiply
    735,865.32x = 1,015,530.30 × 449,339.16
  4. Step 4: Simplify right side
    735,865.32x = 456,317,531,956.55
  5. Step 5: Solve for x
    x = 456,317,531,956.55/735,865.32
  6. Step 6: Final answer
    x = 620,110.12

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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.