Home / 836,074.54-1,153,786.17-454,107.70

Finding the Fourth Proportional to 836,074.54, 1,153,786.17 and 454,107.70

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Solution

The fourth proportional to 836,074.54, 1,153,786.17 and 454,107.70 is: 626,670.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,074.54 : 1,153,786.17 = 454,107.70 : x
  2. Step 2: Convert to fraction form
    836,074.54/1,153,786.17 = 454,107.70/x
  3. Step 3: Cross multiply
    836,074.54x = 1,153,786.17 × 454,107.70
  4. Step 4: Simplify right side
    836,074.54x = 523,943,183,950.51
  5. Step 5: Solve for x
    x = 523,943,183,950.51/836,074.54
  6. Step 6: Final answer
    x = 626,670.42

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Double scale
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Similar ratio
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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.