Home / 1,246,529.52-1,719,609.48-816,620.40

Finding the Fourth Proportional to 1,246,529.52, 1,719,609.48 and 816,620.40

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Solution

The fourth proportional to 1,246,529.52, 1,719,609.48 and 816,620.40 is: 1,126,542.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,529.52 : 1,719,609.48 = 816,620.40 : x
  2. Step 2: Convert to fraction form
    1,246,529.52/1,719,609.48 = 816,620.40/x
  3. Step 3: Cross multiply
    1,246,529.52x = 1,719,609.48 × 816,620.40
  4. Step 4: Simplify right side
    1,246,529.52x = 1,404,268,181,401.39
  5. Step 5: Solve for x
    x = 1,404,268,181,401.39/1,246,529.52
  6. Step 6: Final answer
    x = 1,126,542.26

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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.