Home / 862,890.89-1,294,336.44-263,852.07

Finding the Fourth Proportional to 862,890.89, 1,294,336.44 and 263,852.07

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Solution

The fourth proportional to 862,890.89, 1,294,336.44 and 263,852.07 is: 395,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,890.89 : 1,294,336.44 = 263,852.07 : x
  2. Step 2: Convert to fraction form
    862,890.89/1,294,336.44 = 263,852.07/x
  3. Step 3: Cross multiply
    862,890.89x = 1,294,336.44 × 263,852.07
  4. Step 4: Simplify right side
    862,890.89x = 341,513,348,970.43
  5. Step 5: Solve for x
    x = 341,513,348,970.43/862,890.89
  6. Step 6: Final answer
    x = 395,778.14

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1.5x scale

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.