Home / 923,993-1,275,110.34-500,057

Finding the Fourth Proportional to 923,993, 1,275,110.34 and 500,057

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Solution

The fourth proportional to 923,993, 1,275,110.34 and 500,057 is: 690,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,993 : 1,275,110.34 = 500,057 : x
  2. Step 2: Convert to fraction form
    923,993/1,275,110.34 = 500,057/x
  3. Step 3: Cross multiply
    923,993x = 1,275,110.34 × 500,057
  4. Step 4: Simplify right side
    923,993x = 637,627,851,289.38
  5. Step 5: Solve for x
    x = 637,627,851,289.38/923,993
  6. Step 6: Final answer
    x = 690,078.66

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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.