Home / 1,191,694.60-1,788,233.10-443,816.20

Finding the Fourth Proportional to 1,191,694.60, 1,788,233.10 and 443,816.20

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Solution

The fourth proportional to 1,191,694.60, 1,788,233.10 and 443,816.20 is: 665,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,694.60 : 1,788,233.10 = 443,816.20 : x
  2. Step 2: Convert to fraction form
    1,191,694.60/1,788,233.10 = 443,816.20/x
  3. Step 3: Cross multiply
    1,191,694.60x = 1,788,233.10 × 443,816.20
  4. Step 4: Simplify right side
    1,191,694.60x = 793,646,819,156.22
  5. Step 5: Solve for x
    x = 793,646,819,156.22/1,191,694.60
  6. Step 6: Final answer
    x = 665,981.72

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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.