Home / 1,438,767.83-1,985,523.99-785,427.55

Finding the Fourth Proportional to 1,438,767.83, 1,985,523.99 and 785,427.55

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Solution

The fourth proportional to 1,438,767.83, 1,985,523.99 and 785,427.55 is: 1,083,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,767.83 : 1,985,523.99 = 785,427.55 : x
  2. Step 2: Convert to fraction form
    1,438,767.83/1,985,523.99 = 785,427.55/x
  3. Step 3: Cross multiply
    1,438,767.83x = 1,985,523.99 × 785,427.55
  4. Step 4: Simplify right side
    1,438,767.83x = 1,559,485,250,609.36
  5. Step 5: Solve for x
    x = 1,559,485,250,609.36/1,438,767.83
  6. Step 6: Final answer
    x = 1,083,903.33

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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.