Home / 1,465,861.60-2,198,136.30-666,731.80

Finding the Fourth Proportional to 1,465,861.60, 2,198,136.30 and 666,731.80

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Solution

The fourth proportional to 1,465,861.60, 2,198,136.30 and 666,731.80 is: 999,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,861.60 : 2,198,136.30 = 666,731.80 : x
  2. Step 2: Convert to fraction form
    1,465,861.60/2,198,136.30 = 666,731.80/x
  3. Step 3: Cross multiply
    1,465,861.60x = 2,198,136.30 × 666,731.80
  4. Step 4: Simplify right side
    1,465,861.60x = 1,465,567,371,944.34
  5. Step 5: Solve for x
    x = 1,465,567,371,944.34/1,465,861.60
  6. Step 6: Final answer
    x = 999,799.28

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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.