Home / 289,607.40-434,799.90-184,890.60

Finding the Fourth Proportional to 289,607.40, 434,799.90 and 184,890.60

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Solution

The fourth proportional to 289,607.40, 434,799.90 and 184,890.60 is: 277,584.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,607.40 : 434,799.90 = 184,890.60 : x
  2. Step 2: Convert to fraction form
    289,607.40/434,799.90 = 184,890.60/x
  3. Step 3: Cross multiply
    289,607.40x = 434,799.90 × 184,890.60
  4. Step 4: Simplify right side
    289,607.40x = 80,390,414,390.94
  5. Step 5: Solve for x
    x = 80,390,414,390.94/289,607.40
  6. Step 6: Final answer
    x = 277,584.12

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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.