Home / 1,452,613.36-2,179,270.20-455,341.36

Finding the Fourth Proportional to 1,452,613.36, 2,179,270.20 and 455,341.36

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Solution

The fourth proportional to 1,452,613.36, 2,179,270.20 and 455,341.36 is: 683,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,613.36 : 2,179,270.20 = 455,341.36 : x
  2. Step 2: Convert to fraction form
    1,452,613.36/2,179,270.20 = 455,341.36/x
  3. Step 3: Cross multiply
    1,452,613.36x = 2,179,270.20 × 455,341.36
  4. Step 4: Simplify right side
    1,452,613.36x = 992,311,856,675.47
  5. Step 5: Solve for x
    x = 992,311,856,675.47/1,452,613.36
  6. Step 6: Final answer
    x = 683,121.80

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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.