Home / 4,520,719.03-6,781,131.40-1,325,909.34

Finding the Fourth Proportional to 4,520,719.03, 6,781,131.40 and 1,325,909.34

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Solution

The fourth proportional to 4,520,719.03, 6,781,131.40 and 1,325,909.34 is: 1,988,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520,719.03 : 6,781,131.40 = 1,325,909.34 : x
  2. Step 2: Convert to fraction form
    4,520,719.03/6,781,131.40 = 1,325,909.34/x
  3. Step 3: Cross multiply
    4,520,719.03x = 6,781,131.40 × 1,325,909.34
  4. Step 4: Simplify right side
    4,520,719.03x = 8,991,165,459,027.28
  5. Step 5: Solve for x
    x = 8,991,165,459,027.28/4,520,719.03
  6. Step 6: Final answer
    x = 1,988,879.51

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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.