Home / 821,554.20-1,133,632.62-458,933.22

Finding the Fourth Proportional to 821,554.20, 1,133,632.62 and 458,933.22

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Solution

The fourth proportional to 821,554.20, 1,133,632.62 and 458,933.22 is: 633,265.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,554.20 : 1,133,632.62 = 458,933.22 : x
  2. Step 2: Convert to fraction form
    821,554.20/1,133,632.62 = 458,933.22/x
  3. Step 3: Cross multiply
    821,554.20x = 1,133,632.62 × 458,933.22
  4. Step 4: Simplify right side
    821,554.20x = 520,261,668,593.64
  5. Step 5: Solve for x
    x = 520,261,668,593.64/821,554.20
  6. Step 6: Final answer
    x = 633,265.18

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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.