Home / 656,231.88-905,683.50-369,822.36

Finding the Fourth Proportional to 656,231.88, 905,683.50 and 369,822.36

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Solution

The fourth proportional to 656,231.88, 905,683.50 and 369,822.36 is: 510,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,231.88 : 905,683.50 = 369,822.36 : x
  2. Step 2: Convert to fraction form
    656,231.88/905,683.50 = 369,822.36/x
  3. Step 3: Cross multiply
    656,231.88x = 905,683.50 × 369,822.36
  4. Step 4: Simplify right side
    656,231.88x = 334,942,009,383.06
  5. Step 5: Solve for x
    x = 334,942,009,383.06/656,231.88
  6. Step 6: Final answer
    x = 510,401.92

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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.