Home / 1,409,583.45-1,945,225.11-765,003.63

Finding the Fourth Proportional to 1,409,583.45, 1,945,225.11 and 765,003.63

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Solution

The fourth proportional to 1,409,583.45, 1,945,225.11 and 765,003.63 is: 1,055,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,583.45 : 1,945,225.11 = 765,003.63 : x
  2. Step 2: Convert to fraction form
    1,409,583.45/1,945,225.11 = 765,003.63/x
  3. Step 3: Cross multiply
    1,409,583.45x = 1,945,225.11 × 765,003.63
  4. Step 4: Simplify right side
    1,409,583.45x = 1,488,104,270,317.15
  5. Step 5: Solve for x
    x = 1,488,104,270,317.15/1,409,583.45
  6. Step 6: Final answer
    x = 1,055,704.98

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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.