Home / 1,427,503.06-1,969,963.95-782,927.86

Finding the Fourth Proportional to 1,427,503.06, 1,969,963.95 and 782,927.86

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Solution

The fourth proportional to 1,427,503.06, 1,969,963.95 and 782,927.86 is: 1,080,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,503.06 : 1,969,963.95 = 782,927.86 : x
  2. Step 2: Convert to fraction form
    1,427,503.06/1,969,963.95 = 782,927.86/x
  3. Step 3: Cross multiply
    1,427,503.06x = 1,969,963.95 × 782,927.86
  4. Step 4: Simplify right side
    1,427,503.06x = 1,542,339,659,650.65
  5. Step 5: Solve for x
    x = 1,542,339,659,650.65/1,427,503.06
  6. Step 6: Final answer
    x = 1,080,445.78

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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.