Home / 1,638,202.50-2,457,137.70-439,969.14

Finding the Fourth Proportional to 1,638,202.50, 2,457,137.70 and 439,969.14

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Solution

The fourth proportional to 1,638,202.50, 2,457,137.70 and 439,969.14 is: 659,909.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,202.50 : 2,457,137.70 = 439,969.14 : x
  2. Step 2: Convert to fraction form
    1,638,202.50/2,457,137.70 = 439,969.14/x
  3. Step 3: Cross multiply
    1,638,202.50x = 2,457,137.70 × 439,969.14
  4. Step 4: Simplify right side
    1,638,202.50x = 1,081,064,760,730.58
  5. Step 5: Solve for x
    x = 1,081,064,760,730.58/1,638,202.50
  6. Step 6: Final answer
    x = 659,909.11

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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.