Home / 1,089,696.50-1,634,544.75-301,728.50

Finding the Fourth Proportional to 1,089,696.50, 1,634,544.75 and 301,728.50

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Solution

The fourth proportional to 1,089,696.50, 1,634,544.75 and 301,728.50 is: 452,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,696.50 : 1,634,544.75 = 301,728.50 : x
  2. Step 2: Convert to fraction form
    1,089,696.50/1,634,544.75 = 301,728.50/x
  3. Step 3: Cross multiply
    1,089,696.50x = 1,634,544.75 × 301,728.50
  4. Step 4: Simplify right side
    1,089,696.50x = 493,188,735,600.38
  5. Step 5: Solve for x
    x = 493,188,735,600.38/1,089,696.50
  6. Step 6: Final answer
    x = 452,592.75

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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.