Home / 756,091.53-1,043,405.73-416,559.78

Finding the Fourth Proportional to 756,091.53, 1,043,405.73 and 416,559.78

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Solution

The fourth proportional to 756,091.53, 1,043,405.73 and 416,559.78 is: 574,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,091.53 : 1,043,405.73 = 416,559.78 : x
  2. Step 2: Convert to fraction form
    756,091.53/1,043,405.73 = 416,559.78/x
  3. Step 3: Cross multiply
    756,091.53x = 1,043,405.73 × 416,559.78
  4. Step 4: Simplify right side
    756,091.53x = 434,640,861,339.54
  5. Step 5: Solve for x
    x = 434,640,861,339.54/756,091.53
  6. Step 6: Final answer
    x = 574,852.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.