Home / 1,281,600.18-1,768,313.70-765,253.26

Finding the Fourth Proportional to 1,281,600.18, 1,768,313.70 and 765,253.26

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Solution

The fourth proportional to 1,281,600.18, 1,768,313.70 and 765,253.26 is: 1,055,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,600.18 : 1,768,313.70 = 765,253.26 : x
  2. Step 2: Convert to fraction form
    1,281,600.18/1,768,313.70 = 765,253.26/x
  3. Step 3: Cross multiply
    1,281,600.18x = 1,768,313.70 × 765,253.26
  4. Step 4: Simplify right side
    1,281,600.18x = 1,353,207,823,627.66
  5. Step 5: Solve for x
    x = 1,353,207,823,627.66/1,281,600.18
  6. Step 6: Final answer
    x = 1,055,873.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.