Home / 698,389.52-1,047,516.24-225,414.32

Finding the Fourth Proportional to 698,389.52, 1,047,516.24 and 225,414.32

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Solution

The fourth proportional to 698,389.52, 1,047,516.24 and 225,414.32 is: 338,099.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,389.52 : 1,047,516.24 = 225,414.32 : x
  2. Step 2: Convert to fraction form
    698,389.52/1,047,516.24 = 225,414.32/x
  3. Step 3: Cross multiply
    698,389.52x = 1,047,516.24 × 225,414.32
  4. Step 4: Simplify right side
    698,389.52x = 236,125,160,928.56
  5. Step 5: Solve for x
    x = 236,125,160,928.56/698,389.52
  6. Step 6: Final answer
    x = 338,099.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.