Home / 1,427,558.33-1,970,102.80-783,038.63

Finding the Fourth Proportional to 1,427,558.33, 1,970,102.80 and 783,038.63

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Solution

The fourth proportional to 1,427,558.33, 1,970,102.80 and 783,038.63 is: 1,080,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,558.33 : 1,970,102.80 = 783,038.63 : x
  2. Step 2: Convert to fraction form
    1,427,558.33/1,970,102.80 = 783,038.63/x
  3. Step 3: Cross multiply
    1,427,558.33x = 1,970,102.80 × 783,038.63
  4. Step 4: Simplify right side
    1,427,558.33x = 1,542,666,597,471.16
  5. Step 5: Solve for x
    x = 1,542,666,597,471.16/1,427,558.33
  6. Step 6: Final answer
    x = 1,080,632.97

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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.