Home / 462,021.96-637,583.40-258,076.56

Finding the Fourth Proportional to 462,021.96, 637,583.40 and 258,076.56

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Solution

The fourth proportional to 462,021.96, 637,583.40 and 258,076.56 is: 356,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,021.96 : 637,583.40 = 258,076.56 : x
  2. Step 2: Convert to fraction form
    462,021.96/637,583.40 = 258,076.56/x
  3. Step 3: Cross multiply
    462,021.96x = 637,583.40 × 258,076.56
  4. Step 4: Simplify right side
    462,021.96x = 164,545,330,585.10
  5. Step 5: Solve for x
    x = 164,545,330,585.10/462,021.96
  6. Step 6: Final answer
    x = 356,141.80

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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.