Home / 943,636.14-1,414,457.10-643,372.38

Finding the Fourth Proportional to 943,636.14, 1,414,457.10 and 643,372.38

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Solution

The fourth proportional to 943,636.14, 1,414,457.10 and 643,372.38 is: 964,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,636.14 : 1,414,457.10 = 643,372.38 : x
  2. Step 2: Convert to fraction form
    943,636.14/1,414,457.10 = 643,372.38/x
  3. Step 3: Cross multiply
    943,636.14x = 1,414,457.10 × 643,372.38
  4. Step 4: Simplify right side
    943,636.14x = 910,022,630,834.90
  5. Step 5: Solve for x
    x = 910,022,630,834.90/943,636.14
  6. Step 6: Final answer
    x = 964,378.74

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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.