Home / 505,014.30-696,919.38-323,726.18

Finding the Fourth Proportional to 505,014.30, 696,919.38 and 323,726.18

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Solution

The fourth proportional to 505,014.30, 696,919.38 and 323,726.18 is: 446,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,014.30 : 696,919.38 = 323,726.18 : x
  2. Step 2: Convert to fraction form
    505,014.30/696,919.38 = 323,726.18/x
  3. Step 3: Cross multiply
    505,014.30x = 696,919.38 × 323,726.18
  4. Step 4: Simplify right side
    505,014.30x = 225,611,045,170.77
  5. Step 5: Solve for x
    x = 225,611,045,170.77/505,014.30
  6. Step 6: Final answer
    x = 446,741.89

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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.