Home / 1,117,974.73-1,676,609.09-359,647.12

Finding the Fourth Proportional to 1,117,974.73, 1,676,609.09 and 359,647.12

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Solution

The fourth proportional to 1,117,974.73, 1,676,609.09 and 359,647.12 is: 539,357.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,974.73 : 1,676,609.09 = 359,647.12 : x
  2. Step 2: Convert to fraction form
    1,117,974.73/1,676,609.09 = 359,647.12/x
  3. Step 3: Cross multiply
    1,117,974.73x = 1,676,609.09 × 359,647.12
  4. Step 4: Simplify right side
    1,117,974.73x = 602,987,630,584.32
  5. Step 5: Solve for x
    x = 602,987,630,584.32/1,117,974.73
  6. Step 6: Final answer
    x = 539,357.12

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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.