Home / 1,112,020.56-1,534,571.70-628,568.70

Finding the Fourth Proportional to 1,112,020.56, 1,534,571.70 and 628,568.70

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Solution

The fourth proportional to 1,112,020.56, 1,534,571.70 and 628,568.70 is: 867,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,020.56 : 1,534,571.70 = 628,568.70 : x
  2. Step 2: Convert to fraction form
    1,112,020.56/1,534,571.70 = 628,568.70/x
  3. Step 3: Cross multiply
    1,112,020.56x = 1,534,571.70 × 628,568.70
  4. Step 4: Simplify right side
    1,112,020.56x = 964,583,738,525.79
  5. Step 5: Solve for x
    x = 964,583,738,525.79/1,112,020.56
  6. Step 6: Final answer
    x = 867,415.38

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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.