Home / 1,400,540.04-2,100,369.42-453,691.08

Finding the Fourth Proportional to 1,400,540.04, 2,100,369.42 and 453,691.08

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Solution

The fourth proportional to 1,400,540.04, 2,100,369.42 and 453,691.08 is: 680,393.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,540.04 : 2,100,369.42 = 453,691.08 : x
  2. Step 2: Convert to fraction form
    1,400,540.04/2,100,369.42 = 453,691.08/x
  3. Step 3: Cross multiply
    1,400,540.04x = 2,100,369.42 × 453,691.08
  4. Step 4: Simplify right side
    1,400,540.04x = 952,918,870,558.77
  5. Step 5: Solve for x
    x = 952,918,870,558.77/1,400,540.04
  6. Step 6: Final answer
    x = 680,393.88

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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.