Home / 451,872.47-623,606.65-258,290.17

Finding the Fourth Proportional to 451,872.47, 623,606.65 and 258,290.17

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Solution

The fourth proportional to 451,872.47, 623,606.65 and 258,290.17 is: 356,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,872.47 : 623,606.65 = 258,290.17 : x
  2. Step 2: Convert to fraction form
    451,872.47/623,606.65 = 258,290.17/x
  3. Step 3: Cross multiply
    451,872.47x = 623,606.65 × 258,290.17
  4. Step 4: Simplify right side
    451,872.47x = 161,071,465,436.89
  5. Step 5: Solve for x
    x = 161,071,465,436.89/451,872.47
  6. Step 6: Final answer
    x = 356,453.37

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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.