Home / 699,669.60-1,049,579.28-194,232.72

Finding the Fourth Proportional to 699,669.60, 1,049,579.28 and 194,232.72

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Solution

The fourth proportional to 699,669.60, 1,049,579.28 and 194,232.72 is: 291,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,669.60 : 1,049,579.28 = 194,232.72 : x
  2. Step 2: Convert to fraction form
    699,669.60/1,049,579.28 = 194,232.72/x
  3. Step 3: Cross multiply
    699,669.60x = 1,049,579.28 × 194,232.72
  4. Step 4: Simplify right side
    699,669.60x = 203,862,638,410.04
  5. Step 5: Solve for x
    x = 203,862,638,410.04/699,669.60
  6. Step 6: Final answer
    x = 291,369.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.