Home / 939,825.25-1,296,942.57-510,096.15

Finding the Fourth Proportional to 939,825.25, 1,296,942.57 and 510,096.15

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Solution

The fourth proportional to 939,825.25, 1,296,942.57 and 510,096.15 is: 703,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,825.25 : 1,296,942.57 = 510,096.15 : x
  2. Step 2: Convert to fraction form
    939,825.25/1,296,942.57 = 510,096.15/x
  3. Step 3: Cross multiply
    939,825.25x = 1,296,942.57 × 510,096.15
  4. Step 4: Simplify right side
    939,825.25x = 661,565,411,728.11
  5. Step 5: Solve for x
    x = 661,565,411,728.11/939,825.25
  6. Step 6: Final answer
    x = 703,923.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.