Home / 477,557.17-658,969.07-322,845.14

Finding the Fourth Proportional to 477,557.17, 658,969.07 and 322,845.14

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Solution

The fourth proportional to 477,557.17, 658,969.07 and 322,845.14 is: 445,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,557.17 : 658,969.07 = 322,845.14 : x
  2. Step 2: Convert to fraction form
    477,557.17/658,969.07 = 322,845.14/x
  3. Step 3: Cross multiply
    477,557.17x = 658,969.07 × 322,845.14
  4. Step 4: Simplify right side
    477,557.17x = 212,744,963,509.02
  5. Step 5: Solve for x
    x = 212,744,963,509.02/477,557.17
  6. Step 6: Final answer
    x = 445,485.86

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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.