Home / 547,403.36-821,280.68-263,114.54

Finding the Fourth Proportional to 547,403.36, 821,280.68 and 263,114.54

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Solution

The fourth proportional to 547,403.36, 821,280.68 and 263,114.54 is: 394,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,403.36 : 821,280.68 = 263,114.54 : x
  2. Step 2: Convert to fraction form
    547,403.36/821,280.68 = 263,114.54/x
  3. Step 3: Cross multiply
    547,403.36x = 821,280.68 × 263,114.54
  4. Step 4: Simplify right side
    547,403.36x = 216,090,887,013.52
  5. Step 5: Solve for x
    x = 216,090,887,013.52/547,403.36
  6. Step 6: Final answer
    x = 394,756.23

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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.