Home / 1,638,187.50-2,457,115.20-439,954.14

Finding the Fourth Proportional to 1,638,187.50, 2,457,115.20 and 439,954.14

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Solution

The fourth proportional to 1,638,187.50, 2,457,115.20 and 439,954.14 is: 659,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,187.50 : 2,457,115.20 = 439,954.14 : x
  2. Step 2: Convert to fraction form
    1,638,187.50/2,457,115.20 = 439,954.14/x
  3. Step 3: Cross multiply
    1,638,187.50x = 2,457,115.20 × 439,954.14
  4. Step 4: Simplify right side
    1,638,187.50x = 1,081,018,004,696.93
  5. Step 5: Solve for x
    x = 1,081,018,004,696.93/1,638,187.50
  6. Step 6: Final answer
    x = 659,886.62

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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.