Home / 1,127,917.78-1,556,538.57-611,672.62

Finding the Fourth Proportional to 1,127,917.78, 1,556,538.57 and 611,672.62

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Solution

The fourth proportional to 1,127,917.78, 1,556,538.57 and 611,672.62 is: 844,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,917.78 : 1,556,538.57 = 611,672.62 : x
  2. Step 2: Convert to fraction form
    1,127,917.78/1,556,538.57 = 611,672.62/x
  3. Step 3: Cross multiply
    1,127,917.78x = 1,556,538.57 × 611,672.62
  4. Step 4: Simplify right side
    1,127,917.78x = 952,092,025,242.95
  5. Step 5: Solve for x
    x = 952,092,025,242.95/1,127,917.78
  6. Step 6: Final answer
    x = 844,114.74

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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.