Home / 1,511,330.88-2,085,477.80-857,749.04

Finding the Fourth Proportional to 1,511,330.88, 2,085,477.80 and 857,749.04

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Solution

The fourth proportional to 1,511,330.88, 2,085,477.80 and 857,749.04 is: 1,183,603.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,330.88 : 2,085,477.80 = 857,749.04 : x
  2. Step 2: Convert to fraction form
    1,511,330.88/2,085,477.80 = 857,749.04/x
  3. Step 3: Cross multiply
    1,511,330.88x = 2,085,477.80 × 857,749.04
  4. Step 4: Simplify right side
    1,511,330.88x = 1,788,816,566,175.18
  5. Step 5: Solve for x
    x = 1,788,816,566,175.18/1,511,330.88
  6. Step 6: Final answer
    x = 1,183,603.53

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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.