Home / 1,372,762.29-1,893,771.21-863,745.33

Finding the Fourth Proportional to 1,372,762.29, 1,893,771.21 and 863,745.33

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Solution

The fourth proportional to 1,372,762.29, 1,893,771.21 and 863,745.33 is: 1,191,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,762.29 : 1,893,771.21 = 863,745.33 : x
  2. Step 2: Convert to fraction form
    1,372,762.29/1,893,771.21 = 863,745.33/x
  3. Step 3: Cross multiply
    1,372,762.29x = 1,893,771.21 × 863,745.33
  4. Step 4: Simplify right side
    1,372,762.29x = 1,635,736,038,725.95
  5. Step 5: Solve for x
    x = 1,635,736,038,725.95/1,372,762.29
  6. Step 6: Final answer
    x = 1,191,565.39

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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.