Home / 821,706.44-1,133,842.14-459,085.28

Finding the Fourth Proportional to 821,706.44, 1,133,842.14 and 459,085.28

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Solution

The fourth proportional to 821,706.44, 1,133,842.14 and 459,085.28 is: 633,474.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,706.44 : 1,133,842.14 = 459,085.28 : x
  2. Step 2: Convert to fraction form
    821,706.44/1,133,842.14 = 459,085.28/x
  3. Step 3: Cross multiply
    821,706.44x = 1,133,842.14 × 459,085.28
  4. Step 4: Simplify right side
    821,706.44x = 520,530,236,317.70
  5. Step 5: Solve for x
    x = 520,530,236,317.70/821,706.44
  6. Step 6: Final answer
    x = 633,474.69

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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.