Home / 648,949.46-973,259.88-193,435.58

Finding the Fourth Proportional to 648,949.46, 973,259.88 and 193,435.58

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Solution

The fourth proportional to 648,949.46, 973,259.88 and 193,435.58 is: 290,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,949.46 : 973,259.88 = 193,435.58 : x
  2. Step 2: Convert to fraction form
    648,949.46/973,259.88 = 193,435.58/x
  3. Step 3: Cross multiply
    648,949.46x = 973,259.88 × 193,435.58
  4. Step 4: Simplify right side
    648,949.46x = 188,263,089,378.53
  5. Step 5: Solve for x
    x = 188,263,089,378.53/648,949.46
  6. Step 6: Final answer
    x = 290,104.39

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1.5x scale

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.