Home / 1,167,676.12-1,611,393.06-631,132.12

Finding the Fourth Proportional to 1,167,676.12, 1,611,393.06 and 631,132.12

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Solution

The fourth proportional to 1,167,676.12, 1,611,393.06 and 631,132.12 is: 870,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,676.12 : 1,611,393.06 = 631,132.12 : x
  2. Step 2: Convert to fraction form
    1,167,676.12/1,611,393.06 = 631,132.12/x
  3. Step 3: Cross multiply
    1,167,676.12x = 1,611,393.06 × 631,132.12
  4. Step 4: Simplify right side
    1,167,676.12x = 1,017,001,918,111.09
  5. Step 5: Solve for x
    x = 1,017,001,918,111.09/1,167,676.12
  6. Step 6: Final answer
    x = 870,962.33

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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.