Home / 893,918.28-1,233,589.32-486,028.20

Finding the Fourth Proportional to 893,918.28, 1,233,589.32 and 486,028.20

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Solution

The fourth proportional to 893,918.28, 1,233,589.32 and 486,028.20 is: 670,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,918.28 : 1,233,589.32 = 486,028.20 : x
  2. Step 2: Convert to fraction form
    893,918.28/1,233,589.32 = 486,028.20/x
  3. Step 3: Cross multiply
    893,918.28x = 1,233,589.32 × 486,028.20
  4. Step 4: Simplify right side
    893,918.28x = 599,559,196,738.82
  5. Step 5: Solve for x
    x = 599,559,196,738.82/893,918.28
  6. Step 6: Final answer
    x = 670,709.18

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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.