Home / 1,630,993.68-2,250,694.80-905,888.16

Finding the Fourth Proportional to 1,630,993.68, 2,250,694.80 and 905,888.16

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Solution

The fourth proportional to 1,630,993.68, 2,250,694.80 and 905,888.16 is: 1,250,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,993.68 : 2,250,694.80 = 905,888.16 : x
  2. Step 2: Convert to fraction form
    1,630,993.68/2,250,694.80 = 905,888.16/x
  3. Step 3: Cross multiply
    1,630,993.68x = 2,250,694.80 × 905,888.16
  4. Step 4: Simplify right side
    1,630,993.68x = 2,038,877,771,093.57
  5. Step 5: Solve for x
    x = 2,038,877,771,093.57/1,630,993.68
  6. Step 6: Final answer
    x = 1,250,083.18

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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.