Home / 881,993.80-1,321,629.90-656,295.40

Finding the Fourth Proportional to 881,993.80, 1,321,629.90 and 656,295.40

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Solution

The fourth proportional to 881,993.80, 1,321,629.90 and 656,295.40 is: 983,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,993.80 : 1,321,629.90 = 656,295.40 : x
  2. Step 2: Convert to fraction form
    881,993.80/1,321,629.90 = 656,295.40/x
  3. Step 3: Cross multiply
    881,993.80x = 1,321,629.90 × 656,295.40
  4. Step 4: Simplify right side
    881,993.80x = 867,379,623,872.46
  5. Step 5: Solve for x
    x = 867,379,623,872.46/881,993.80
  6. Step 6: Final answer
    x = 983,430.52

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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.