Home / 1,112,610.80-1,668,916.20-1,037,961.20

Finding the Fourth Proportional to 1,112,610.80, 1,668,916.20 and 1,037,961.20

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Solution

The fourth proportional to 1,112,610.80, 1,668,916.20 and 1,037,961.20 is: 1,556,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,610.80 : 1,668,916.20 = 1,037,961.20 : x
  2. Step 2: Convert to fraction form
    1,112,610.80/1,668,916.20 = 1,037,961.20/x
  3. Step 3: Cross multiply
    1,112,610.80x = 1,668,916.20 × 1,037,961.20
  4. Step 4: Simplify right side
    1,112,610.80x = 1,732,270,261,651.44
  5. Step 5: Solve for x
    x = 1,732,270,261,651.44/1,112,610.80
  6. Step 6: Final answer
    x = 1,556,941.80

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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.