Home / 434,837.70-652,256.55-419,091.30

Finding the Fourth Proportional to 434,837.70, 652,256.55 and 419,091.30

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Solution

The fourth proportional to 434,837.70, 652,256.55 and 419,091.30 is: 628,636.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,837.70 : 652,256.55 = 419,091.30 : x
  2. Step 2: Convert to fraction form
    434,837.70/652,256.55 = 419,091.30/x
  3. Step 3: Cross multiply
    434,837.70x = 652,256.55 × 419,091.30
  4. Step 4: Simplify right side
    434,837.70x = 273,355,045,473.02
  5. Step 5: Solve for x
    x = 273,355,045,473.02/434,837.70
  6. Step 6: Final answer
    x = 628,636.95

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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.