Home / 905,895.36-1,359,215.52-400,189.44

Finding the Fourth Proportional to 905,895.36, 1,359,215.52 and 400,189.44

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Solution

The fourth proportional to 905,895.36, 1,359,215.52 and 400,189.44 is: 600,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,895.36 : 1,359,215.52 = 400,189.44 : x
  2. Step 2: Convert to fraction form
    905,895.36/1,359,215.52 = 400,189.44/x
  3. Step 3: Cross multiply
    905,895.36x = 1,359,215.52 × 400,189.44
  4. Step 4: Simplify right side
    905,895.36x = 543,943,697,788.11
  5. Step 5: Solve for x
    x = 543,943,697,788.11/905,895.36
  6. Step 6: Final answer
    x = 600,448.71

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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.