Home / 773,107.60-1,159,661.40-720,619.60

Finding the Fourth Proportional to 773,107.60, 1,159,661.40 and 720,619.60

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Solution

The fourth proportional to 773,107.60, 1,159,661.40 and 720,619.60 is: 1,080,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,107.60 : 1,159,661.40 = 720,619.60 : x
  2. Step 2: Convert to fraction form
    773,107.60/1,159,661.40 = 720,619.60/x
  3. Step 3: Cross multiply
    773,107.60x = 1,159,661.40 × 720,619.60
  4. Step 4: Simplify right side
    773,107.60x = 835,674,734,203.44
  5. Step 5: Solve for x
    x = 835,674,734,203.44/773,107.60
  6. Step 6: Final answer
    x = 1,080,929.40

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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.