Home / 862,948.80-1,294,256.16-263,764.80

Finding the Fourth Proportional to 862,948.80, 1,294,256.16 and 263,764.80

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Solution

The fourth proportional to 862,948.80, 1,294,256.16 and 263,764.80 is: 395,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,948.80 : 1,294,256.16 = 263,764.80 : x
  2. Step 2: Convert to fraction form
    862,948.80/1,294,256.16 = 263,764.80/x
  3. Step 3: Cross multiply
    862,948.80x = 1,294,256.16 × 263,764.80
  4. Step 4: Simplify right side
    862,948.80x = 341,379,217,191.17
  5. Step 5: Solve for x
    x = 341,379,217,191.17/862,948.80
  6. Step 6: Final answer
    x = 395,596.14

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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.