Home / 1,465,629.70-2,198,446.36-400,680.98

Finding the Fourth Proportional to 1,465,629.70, 2,198,446.36 and 400,680.98

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Solution

The fourth proportional to 1,465,629.70, 2,198,446.36 and 400,680.98 is: 601,021.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,629.70 : 2,198,446.36 = 400,680.98 : x
  2. Step 2: Convert to fraction form
    1,465,629.70/2,198,446.36 = 400,680.98/x
  3. Step 3: Cross multiply
    1,465,629.70x = 2,198,446.36 × 400,680.98
  4. Step 4: Simplify right side
    1,465,629.70x = 880,875,642,002.23
  5. Step 5: Solve for x
    x = 880,875,642,002.23/1,465,629.70
  6. Step 6: Final answer
    x = 601,021.96

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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.