Home / 648,947.46-973,256.88-193,433.58

Finding the Fourth Proportional to 648,947.46, 973,256.88 and 193,433.58

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Solution

The fourth proportional to 648,947.46, 973,256.88 and 193,433.58 is: 290,101.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,947.46 : 973,256.88 = 193,433.58 : x
  2. Step 2: Convert to fraction form
    648,947.46/973,256.88 = 193,433.58/x
  3. Step 3: Cross multiply
    648,947.46x = 973,256.88 × 193,433.58
  4. Step 4: Simplify right side
    648,947.46x = 188,260,562,558.03
  5. Step 5: Solve for x
    x = 188,260,562,558.03/648,947.46
  6. Step 6: Final answer
    x = 290,101.39

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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.