Home / 534,919.20-803,378.13-470,900.04

Finding the Fourth Proportional to 534,919.20, 803,378.13 and 470,900.04

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Solution

The fourth proportional to 534,919.20, 803,378.13 and 470,900.04 is: 707,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,919.20 : 803,378.13 = 470,900.04 : x
  2. Step 2: Convert to fraction form
    534,919.20/803,378.13 = 470,900.04/x
  3. Step 3: Cross multiply
    534,919.20x = 803,378.13 × 470,900.04
  4. Step 4: Simplify right side
    534,919.20x = 378,310,793,552.13
  5. Step 5: Solve for x
    x = 378,310,793,552.13/534,919.20
  6. Step 6: Final answer
    x = 707,229.79

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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.