Home / 821,391.24-1,133,523.86-458,830.38

Finding the Fourth Proportional to 821,391.24, 1,133,523.86 and 458,830.38

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Solution

The fourth proportional to 821,391.24, 1,133,523.86 and 458,830.38 is: 633,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,391.24 : 1,133,523.86 = 458,830.38 : x
  2. Step 2: Convert to fraction form
    821,391.24/1,133,523.86 = 458,830.38/x
  3. Step 3: Cross multiply
    821,391.24x = 1,133,523.86 × 458,830.38
  4. Step 4: Simplify right side
    821,391.24x = 520,095,183,422.87
  5. Step 5: Solve for x
    x = 520,095,183,422.87/821,391.24
  6. Step 6: Final answer
    x = 633,188.13

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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.