Home / 1,088,161.44-1,632,240.09-289,443.84

Finding the Fourth Proportional to 1,088,161.44, 1,632,240.09 and 289,443.84

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Solution

The fourth proportional to 1,088,161.44, 1,632,240.09 and 289,443.84 is: 434,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,161.44 : 1,632,240.09 = 289,443.84 : x
  2. Step 2: Convert to fraction form
    1,088,161.44/1,632,240.09 = 289,443.84/x
  3. Step 3: Cross multiply
    1,088,161.44x = 1,632,240.09 × 289,443.84
  4. Step 4: Simplify right side
    1,088,161.44x = 472,441,839,451.55
  5. Step 5: Solve for x
    x = 472,441,839,451.55/1,088,161.44
  6. Step 6: Final answer
    x = 434,165.21

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Half scale
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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.