Home / 1,191,886.45-1,644,431.20-682,495.09

Finding the Fourth Proportional to 1,191,886.45, 1,644,431.20 and 682,495.09

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Solution

The fourth proportional to 1,191,886.45, 1,644,431.20 and 682,495.09 is: 941,630.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,886.45 : 1,644,431.20 = 682,495.09 : x
  2. Step 2: Convert to fraction form
    1,191,886.45/1,644,431.20 = 682,495.09/x
  3. Step 3: Cross multiply
    1,191,886.45x = 1,644,431.20 × 682,495.09
  4. Step 4: Simplify right side
    1,191,886.45x = 1,122,316,219,842.81
  5. Step 5: Solve for x
    x = 1,122,316,219,842.81/1,191,886.45
  6. Step 6: Final answer
    x = 941,630.15

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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.