Home / 905,900.36-1,359,223.02-400,194.44

Finding the Fourth Proportional to 905,900.36, 1,359,223.02 and 400,194.44

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Solution

The fourth proportional to 905,900.36, 1,359,223.02 and 400,194.44 is: 600,456.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,900.36 : 1,359,223.02 = 400,194.44 : x
  2. Step 2: Convert to fraction form
    905,900.36/1,359,223.02 = 400,194.44/x
  3. Step 3: Cross multiply
    905,900.36x = 1,359,223.02 × 400,194.44
  4. Step 4: Simplify right side
    905,900.36x = 543,953,495,324.01
  5. Step 5: Solve for x
    x = 543,953,495,324.01/905,900.36
  6. Step 6: Final answer
    x = 600,456.21

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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.