Home / 1,336,930.88-1,844,967.65-763,969.68

Finding the Fourth Proportional to 1,336,930.88, 1,844,967.65 and 763,969.68

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Solution

The fourth proportional to 1,336,930.88, 1,844,967.65 and 763,969.68 is: 1,054,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,930.88 : 1,844,967.65 = 763,969.68 : x
  2. Step 2: Convert to fraction form
    1,336,930.88/1,844,967.65 = 763,969.68/x
  3. Step 3: Cross multiply
    1,336,930.88x = 1,844,967.65 × 763,969.68
  4. Step 4: Simplify right side
    1,336,930.88x = 1,409,499,341,361.00
  5. Step 5: Solve for x
    x = 1,409,499,341,361.00/1,336,930.88
  6. Step 6: Final answer
    x = 1,054,279.89

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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.