Home / 1,289,079.12-1,932,938.22-435,857.52

Finding the Fourth Proportional to 1,289,079.12, 1,932,938.22 and 435,857.52

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Solution

The fourth proportional to 1,289,079.12, 1,932,938.22 and 435,857.52 is: 653,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,079.12 : 1,932,938.22 = 435,857.52 : x
  2. Step 2: Convert to fraction form
    1,289,079.12/1,932,938.22 = 435,857.52/x
  3. Step 3: Cross multiply
    1,289,079.12x = 1,932,938.22 × 435,857.52
  4. Step 4: Simplify right side
    1,289,079.12x = 842,485,658,882.41
  5. Step 5: Solve for x
    x = 842,485,658,882.41/1,289,079.12
  6. Step 6: Final answer
    x = 653,556.21

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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.