Home / 439,077.98-658,168.32-249,137.09

Finding the Fourth Proportional to 439,077.98, 658,168.32 and 249,137.09

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Solution

The fourth proportional to 439,077.98, 658,168.32 and 249,137.09 is: 373,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,077.98 : 658,168.32 = 249,137.09 : x
  2. Step 2: Convert to fraction form
    439,077.98/658,168.32 = 249,137.09/x
  3. Step 3: Cross multiply
    439,077.98x = 658,168.32 × 249,137.09
  4. Step 4: Simplify right side
    439,077.98x = 163,974,136,684.15
  5. Step 5: Solve for x
    x = 163,974,136,684.15/439,077.98
  6. Step 6: Final answer
    x = 373,451.06

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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.