Home / 618,928.58-928,405.74-198,203.24

Finding the Fourth Proportional to 618,928.58, 928,405.74 and 198,203.24

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Solution

The fourth proportional to 618,928.58, 928,405.74 and 198,203.24 is: 297,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,928.58 : 928,405.74 = 198,203.24 : x
  2. Step 2: Convert to fraction form
    618,928.58/928,405.74 = 198,203.24/x
  3. Step 3: Cross multiply
    618,928.58x = 928,405.74 × 198,203.24
  4. Step 4: Simplify right side
    618,928.58x = 184,013,025,702.60
  5. Step 5: Solve for x
    x = 184,013,025,702.60/618,928.58
  6. Step 6: Final answer
    x = 297,308.98

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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.