Home / 823,571.74-1,234,869.18-254,784.34

Finding the Fourth Proportional to 823,571.74, 1,234,869.18 and 254,784.34

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Solution

The fourth proportional to 823,571.74, 1,234,869.18 and 254,784.34 is: 382,025.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,571.74 : 1,234,869.18 = 254,784.34 : x
  2. Step 2: Convert to fraction form
    823,571.74/1,234,869.18 = 254,784.34/x
  3. Step 3: Cross multiply
    823,571.74x = 1,234,869.18 × 254,784.34
  4. Step 4: Simplify right side
    823,571.74x = 314,625,329,012.64
  5. Step 5: Solve for x
    x = 314,625,329,012.64/823,571.74
  6. Step 6: Final answer
    x = 382,025.41

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.