Home / 785,816.22-1,179,548.88-696,430.80

Finding the Fourth Proportional to 785,816.22, 1,179,548.88 and 696,430.80

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Solution

The fourth proportional to 785,816.22, 1,179,548.88 and 696,430.80 is: 1,045,376.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,816.22 : 1,179,548.88 = 696,430.80 : x
  2. Step 2: Convert to fraction form
    785,816.22/1,179,548.88 = 696,430.80/x
  3. Step 3: Cross multiply
    785,816.22x = 1,179,548.88 × 696,430.80
  4. Step 4: Simplify right side
    785,816.22x = 821,474,170,137.50
  5. Step 5: Solve for x
    x = 821,474,170,137.50/785,816.22
  6. Step 6: Final answer
    x = 1,045,376.96

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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.