Home / 619,047.72-928,511.10-198,210.60

Finding the Fourth Proportional to 619,047.72, 928,511.10 and 198,210.60

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Solution

The fourth proportional to 619,047.72, 928,511.10 and 198,210.60 is: 297,296.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,047.72 : 928,511.10 = 198,210.60 : x
  2. Step 2: Convert to fraction form
    619,047.72/928,511.10 = 198,210.60/x
  3. Step 3: Cross multiply
    619,047.72x = 928,511.10 × 198,210.60
  4. Step 4: Simplify right side
    619,047.72x = 184,040,742,237.66
  5. Step 5: Solve for x
    x = 184,040,742,237.66/619,047.72
  6. Step 6: Final answer
    x = 297,296.54

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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.