Home / 1,040,071.10-1,557,773.84-853,447.10

Finding the Fourth Proportional to 1,040,071.10, 1,557,773.84 and 853,447.10

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Solution

The fourth proportional to 1,040,071.10, 1,557,773.84 and 853,447.10 is: 1,278,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,071.10 : 1,557,773.84 = 853,447.10 : x
  2. Step 2: Convert to fraction form
    1,040,071.10/1,557,773.84 = 853,447.10/x
  3. Step 3: Cross multiply
    1,040,071.10x = 1,557,773.84 × 853,447.10
  4. Step 4: Simplify right side
    1,040,071.10x = 1,329,477,566,203.86
  5. Step 5: Solve for x
    x = 1,329,477,566,203.86/1,040,071.10
  6. Step 6: Final answer
    x = 1,278,256.43

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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.