Home / 785,852.42-1,178,786.86-629,077.46

Finding the Fourth Proportional to 785,852.42, 1,178,786.86 and 629,077.46

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Solution

The fourth proportional to 785,852.42, 1,178,786.86 and 629,077.46 is: 943,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,852.42 : 1,178,786.86 = 629,077.46 : x
  2. Step 2: Convert to fraction form
    785,852.42/1,178,786.86 = 629,077.46/x
  3. Step 3: Cross multiply
    785,852.42x = 1,178,786.86 × 629,077.46
  4. Step 4: Simplify right side
    785,852.42x = 741,548,236,303.55
  5. Step 5: Solve for x
    x = 741,548,236,303.55/785,852.42
  6. Step 6: Final answer
    x = 943,622.77

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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.