Home / 1,297,365.80-1,946,234.44-398,883

Finding the Fourth Proportional to 1,297,365.80, 1,946,234.44 and 398,883

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Solution

The fourth proportional to 1,297,365.80, 1,946,234.44 and 398,883 is: 598,381.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,365.80 : 1,946,234.44 = 398,883 : x
  2. Step 2: Convert to fraction form
    1,297,365.80/1,946,234.44 = 398,883/x
  3. Step 3: Cross multiply
    1,297,365.80x = 1,946,234.44 × 398,883
  4. Step 4: Simplify right side
    1,297,365.80x = 776,319,832,130.52
  5. Step 5: Solve for x
    x = 776,319,832,130.52/1,297,365.80
  6. Step 6: Final answer
    x = 598,381.61

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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.