Home / 578,469.60-867,564.48-223,257.12

Finding the Fourth Proportional to 578,469.60, 867,564.48 and 223,257.12

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Solution

The fourth proportional to 578,469.60, 867,564.48 and 223,257.12 is: 334,831.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,469.60 : 867,564.48 = 223,257.12 : x
  2. Step 2: Convert to fraction form
    578,469.60/867,564.48 = 223,257.12/x
  3. Step 3: Cross multiply
    578,469.60x = 867,564.48 × 223,257.12
  4. Step 4: Simplify right side
    578,469.60x = 193,689,947,219.10
  5. Step 5: Solve for x
    x = 193,689,947,219.10/578,469.60
  6. Step 6: Final answer
    x = 334,831.68

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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.