Home / 863,000.45-1,294,552.57-263,966.81

Finding the Fourth Proportional to 863,000.45, 1,294,552.57 and 263,966.81

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Solution

The fourth proportional to 863,000.45, 1,294,552.57 and 263,966.81 is: 395,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,000.45 : 1,294,552.57 = 263,966.81 : x
  2. Step 2: Convert to fraction form
    863,000.45/1,294,552.57 = 263,966.81/x
  3. Step 3: Cross multiply
    863,000.45x = 1,294,552.57 × 263,966.81
  4. Step 4: Simplify right side
    863,000.45x = 341,718,905,147.52
  5. Step 5: Solve for x
    x = 341,718,905,147.52/863,000.45
  6. Step 6: Final answer
    x = 395,966.08

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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.