Home / 697,238.11-962,190.45-387,141.27

Finding the Fourth Proportional to 697,238.11, 962,190.45 and 387,141.27

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Solution

The fourth proportional to 697,238.11, 962,190.45 and 387,141.27 is: 534,255.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,238.11 : 962,190.45 = 387,141.27 : x
  2. Step 2: Convert to fraction form
    697,238.11/962,190.45 = 387,141.27/x
  3. Step 3: Cross multiply
    697,238.11x = 962,190.45 × 387,141.27
  4. Step 4: Simplify right side
    697,238.11x = 372,503,634,598.98
  5. Step 5: Solve for x
    x = 372,503,634,598.98/697,238.11
  6. Step 6: Final answer
    x = 534,255.98

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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.