Home / 863,442.80-1,295,164.20-723,474.80

Finding the Fourth Proportional to 863,442.80, 1,295,164.20 and 723,474.80

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Solution

The fourth proportional to 863,442.80, 1,295,164.20 and 723,474.80 is: 1,085,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,442.80 : 1,295,164.20 = 723,474.80 : x
  2. Step 2: Convert to fraction form
    863,442.80/1,295,164.20 = 723,474.80/x
  3. Step 3: Cross multiply
    863,442.80x = 1,295,164.20 × 723,474.80
  4. Step 4: Simplify right side
    863,442.80x = 937,018,660,562.16
  5. Step 5: Solve for x
    x = 937,018,660,562.16/863,442.80
  6. Step 6: Final answer
    x = 1,085,212.20

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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.