Home / 621,464.03-857,611.92-349,531.85

Finding the Fourth Proportional to 621,464.03, 857,611.92 and 349,531.85

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Solution

The fourth proportional to 621,464.03, 857,611.92 and 349,531.85 is: 482,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,464.03 : 857,611.92 = 349,531.85 : x
  2. Step 2: Convert to fraction form
    621,464.03/857,611.92 = 349,531.85/x
  3. Step 3: Cross multiply
    621,464.03x = 857,611.92 × 349,531.85
  4. Step 4: Simplify right side
    621,464.03x = 299,762,684,210.20
  5. Step 5: Solve for x
    x = 299,762,684,210.20/621,464.03
  6. Step 6: Final answer
    x = 482,349.21

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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.