Home / 1,028,436.75-1,419,242.72-626,028.75

Finding the Fourth Proportional to 1,028,436.75, 1,419,242.72 and 626,028.75

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Solution

The fourth proportional to 1,028,436.75, 1,419,242.72 and 626,028.75 is: 863,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,436.75 : 1,419,242.72 = 626,028.75 : x
  2. Step 2: Convert to fraction form
    1,028,436.75/1,419,242.72 = 626,028.75/x
  3. Step 3: Cross multiply
    1,028,436.75x = 1,419,242.72 × 626,028.75
  4. Step 4: Simplify right side
    1,028,436.75x = 888,486,742,818.06
  5. Step 5: Solve for x
    x = 888,486,742,818.06/1,028,436.75
  6. Step 6: Final answer
    x = 863,919.68

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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.