Home / 1,160,219.04-1,601,078.13-643,942.63

Finding the Fourth Proportional to 1,160,219.04, 1,601,078.13 and 643,942.63

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Solution

The fourth proportional to 1,160,219.04, 1,601,078.13 and 643,942.63 is: 888,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,219.04 : 1,601,078.13 = 643,942.63 : x
  2. Step 2: Convert to fraction form
    1,160,219.04/1,601,078.13 = 643,942.63/x
  3. Step 3: Cross multiply
    1,160,219.04x = 1,601,078.13 × 643,942.63
  4. Step 4: Simplify right side
    1,160,219.04x = 1,031,002,461,867.68
  5. Step 5: Solve for x
    x = 1,031,002,461,867.68/1,160,219.04
  6. Step 6: Final answer
    x = 888,627.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.