Home / 396,619.03-594,802.18-130,317.76

Finding the Fourth Proportional to 396,619.03, 594,802.18 and 130,317.76

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Solution

The fourth proportional to 396,619.03, 594,802.18 and 130,317.76 is: 195,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,619.03 : 594,802.18 = 130,317.76 : x
  2. Step 2: Convert to fraction form
    396,619.03/594,802.18 = 130,317.76/x
  3. Step 3: Cross multiply
    396,619.03x = 594,802.18 × 130,317.76
  4. Step 4: Simplify right side
    396,619.03x = 77,513,287,740.72
  5. Step 5: Solve for x
    x = 77,513,287,740.72/396,619.03
  6. Step 6: Final answer
    x = 195,435.12

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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.