Home / 697,195.25-962,129.46-395,389.25

Finding the Fourth Proportional to 697,195.25, 962,129.46 and 395,389.25

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Solution

The fourth proportional to 697,195.25, 962,129.46 and 395,389.25 is: 545,637.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,195.25 : 962,129.46 = 395,389.25 : x
  2. Step 2: Convert to fraction form
    697,195.25/962,129.46 = 395,389.25/x
  3. Step 3: Cross multiply
    697,195.25x = 962,129.46 × 395,389.25
  4. Step 4: Simplify right side
    697,195.25x = 380,415,645,592.31
  5. Step 5: Solve for x
    x = 380,415,645,592.31/697,195.25
  6. Step 6: Final answer
    x = 545,637.17

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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.