Home / 1,273,781.03-1,757,831.78-693,007.47

Finding the Fourth Proportional to 1,273,781.03, 1,757,831.78 and 693,007.47

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Solution

The fourth proportional to 1,273,781.03, 1,757,831.78 and 693,007.47 is: 956,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,781.03 : 1,757,831.78 = 693,007.47 : x
  2. Step 2: Convert to fraction form
    1,273,781.03/1,757,831.78 = 693,007.47/x
  3. Step 3: Cross multiply
    1,273,781.03x = 1,757,831.78 × 693,007.47
  4. Step 4: Simplify right side
    1,273,781.03x = 1,218,190,551,078.36
  5. Step 5: Solve for x
    x = 1,218,190,551,078.36/1,273,781.03
  6. Step 6: Final answer
    x = 956,357.90

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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.