Home / 545,916.28-753,369.40-300,887.60

Finding the Fourth Proportional to 545,916.28, 753,369.40 and 300,887.60

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Solution

The fourth proportional to 545,916.28, 753,369.40 and 300,887.60 is: 415,227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,916.28 : 753,369.40 = 300,887.60 : x
  2. Step 2: Convert to fraction form
    545,916.28/753,369.40 = 300,887.60/x
  3. Step 3: Cross multiply
    545,916.28x = 753,369.40 × 300,887.60
  4. Step 4: Simplify right side
    545,916.28x = 226,679,510,679.44
  5. Step 5: Solve for x
    x = 226,679,510,679.44/545,916.28
  6. Step 6: Final answer
    x = 415,227.61

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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.