Home / 451,895.48-623,638.39-258,313.17

Finding the Fourth Proportional to 451,895.48, 623,638.39 and 258,313.17

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Solution

The fourth proportional to 451,895.48, 623,638.39 and 258,313.17 is: 356,485.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,895.48 : 623,638.39 = 258,313.17 : x
  2. Step 2: Convert to fraction form
    451,895.48/623,638.39 = 258,313.17/x
  3. Step 3: Cross multiply
    451,895.48x = 623,638.39 × 258,313.17
  4. Step 4: Simplify right side
    451,895.48x = 161,094,009,454.60
  5. Step 5: Solve for x
    x = 161,094,009,454.60/451,895.48
  6. Step 6: Final answer
    x = 356,485.11

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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.