Home / 726,525.84-1,089,794.82-253,210.44

Finding the Fourth Proportional to 726,525.84, 1,089,794.82 and 253,210.44

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Solution

The fourth proportional to 726,525.84, 1,089,794.82 and 253,210.44 is: 379,817.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,525.84 : 1,089,794.82 = 253,210.44 : x
  2. Step 2: Convert to fraction form
    726,525.84/1,089,794.82 = 253,210.44/x
  3. Step 3: Cross multiply
    726,525.84x = 1,089,794.82 × 253,210.44
  4. Step 4: Simplify right side
    726,525.84x = 275,947,425,881.92
  5. Step 5: Solve for x
    x = 275,947,425,881.92/726,525.84
  6. Step 6: Final answer
    x = 379,817.77

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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.