Home / 1,128,189.57-1,556,892.53-611,942.14

Finding the Fourth Proportional to 1,128,189.57, 1,556,892.53 and 611,942.14

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Solution

The fourth proportional to 1,128,189.57, 1,556,892.53 and 611,942.14 is: 844,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,189.57 : 1,556,892.53 = 611,942.14 : x
  2. Step 2: Convert to fraction form
    1,128,189.57/1,556,892.53 = 611,942.14/x
  3. Step 3: Cross multiply
    1,128,189.57x = 1,556,892.53 × 611,942.14
  4. Step 4: Simplify right side
    1,128,189.57x = 952,728,147,739.40
  5. Step 5: Solve for x
    x = 952,728,147,739.40/1,128,189.57
  6. Step 6: Final answer
    x = 844,475.23

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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.