Home / 396,030.72-594,036.27-115,550.40

Finding the Fourth Proportional to 396,030.72, 594,036.27 and 115,550.40

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Solution

The fourth proportional to 396,030.72, 594,036.27 and 115,550.40 is: 173,322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,030.72 : 594,036.27 = 115,550.40 : x
  2. Step 2: Convert to fraction form
    396,030.72/594,036.27 = 115,550.40/x
  3. Step 3: Cross multiply
    396,030.72x = 594,036.27 × 115,550.40
  4. Step 4: Simplify right side
    396,030.72x = 68,641,128,613.01
  5. Step 5: Solve for x
    x = 68,641,128,613.01/396,030.72
  6. Step 6: Final answer
    x = 173,322.74

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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.