Home / 694,199.16-1,039,617.72-480,367.62

Finding the Fourth Proportional to 694,199.16, 1,039,617.72 and 480,367.62

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Solution

The fourth proportional to 694,199.16, 1,039,617.72 and 480,367.62 is: 719,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,199.16 : 1,039,617.72 = 480,367.62 : x
  2. Step 2: Convert to fraction form
    694,199.16/1,039,617.72 = 480,367.62/x
  3. Step 3: Cross multiply
    694,199.16x = 1,039,617.72 × 480,367.62
  4. Step 4: Simplify right side
    694,199.16x = 499,398,689,866.23
  5. Step 5: Solve for x
    x = 499,398,689,866.23/694,199.16
  6. Step 6: Final answer
    x = 719,388.21

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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.