Home / 1,128,119.27-1,556,816.63-611,873.87

Finding the Fourth Proportional to 1,128,119.27, 1,556,816.63 and 611,873.87

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Solution

The fourth proportional to 1,128,119.27, 1,556,816.63 and 611,873.87 is: 844,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,119.27 : 1,556,816.63 = 611,873.87 : x
  2. Step 2: Convert to fraction form
    1,128,119.27/1,556,816.63 = 611,873.87/x
  3. Step 3: Cross multiply
    1,128,119.27x = 1,556,816.63 × 611,873.87
  4. Step 4: Simplify right side
    1,128,119.27x = 952,575,405,435.01
  5. Step 5: Solve for x
    x = 952,575,405,435.01/1,128,119.27
  6. Step 6: Final answer
    x = 844,392.46

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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.