Home / 1,109,942.12-1,660,102.78-653,445.51

Finding the Fourth Proportional to 1,109,942.12, 1,660,102.78 and 653,445.51

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Solution

The fourth proportional to 1,109,942.12, 1,660,102.78 and 653,445.51 is: 977,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,942.12 : 1,660,102.78 = 653,445.51 : x
  2. Step 2: Convert to fraction form
    1,109,942.12/1,660,102.78 = 653,445.51/x
  3. Step 3: Cross multiply
    1,109,942.12x = 1,660,102.78 × 653,445.51
  4. Step 4: Simplify right side
    1,109,942.12x = 1,084,786,707,729.52
  5. Step 5: Solve for x
    x = 1,084,786,707,729.52/1,109,942.12
  6. Step 6: Final answer
    x = 977,336.28

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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.