Home / 1,128,204.99-1,556,915.18-611,956.81

Finding the Fourth Proportional to 1,128,204.99, 1,556,915.18 and 611,956.81

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Solution

The fourth proportional to 1,128,204.99, 1,556,915.18 and 611,956.81 is: 844,496.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,204.99 : 1,556,915.18 = 611,956.81 : x
  2. Step 2: Convert to fraction form
    1,128,204.99/1,556,915.18 = 611,956.81/x
  3. Step 3: Cross multiply
    1,128,204.99x = 1,556,915.18 × 611,956.81
  4. Step 4: Simplify right side
    1,128,204.99x = 952,764,846,993.38
  5. Step 5: Solve for x
    x = 952,764,846,993.38/1,128,204.99
  6. Step 6: Final answer
    x = 844,496.22

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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.