Home / 784,990.60-1,177,485.90-194,014.60

Finding the Fourth Proportional to 784,990.60, 1,177,485.90 and 194,014.60

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Solution

The fourth proportional to 784,990.60, 1,177,485.90 and 194,014.60 is: 291,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,990.60 : 1,177,485.90 = 194,014.60 : x
  2. Step 2: Convert to fraction form
    784,990.60/1,177,485.90 = 194,014.60/x
  3. Step 3: Cross multiply
    784,990.60x = 1,177,485.90 × 194,014.60
  4. Step 4: Simplify right side
    784,990.60x = 228,449,455,894.14
  5. Step 5: Solve for x
    x = 228,449,455,894.14/784,990.60
  6. Step 6: Final answer
    x = 291,021.90

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Half scale
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Double scale
Find fourth proportional to 784,991.60, 1,177,487.40 and 194,015.60
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.