Home / 1,188,936.44-1,783,432.04-290,385.64

Finding the Fourth Proportional to 1,188,936.44, 1,783,432.04 and 290,385.64

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Solution

The fourth proportional to 1,188,936.44, 1,783,432.04 and 290,385.64 is: 435,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,936.44 : 1,783,432.04 = 290,385.64 : x
  2. Step 2: Convert to fraction form
    1,188,936.44/1,783,432.04 = 290,385.64/x
  3. Step 3: Cross multiply
    1,188,936.44x = 1,783,432.04 × 290,385.64
  4. Step 4: Simplify right side
    1,188,936.44x = 517,883,054,331.91
  5. Step 5: Solve for x
    x = 517,883,054,331.91/1,188,936.44
  6. Step 6: Final answer
    x = 435,585.15

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Double scale
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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.