Home / 784,912.60-1,177,368.90-193,936.60

Finding the Fourth Proportional to 784,912.60, 1,177,368.90 and 193,936.60

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Solution

The fourth proportional to 784,912.60, 1,177,368.90 and 193,936.60 is: 290,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,912.60 : 1,177,368.90 = 193,936.60 : x
  2. Step 2: Convert to fraction form
    784,912.60/1,177,368.90 = 193,936.60/x
  3. Step 3: Cross multiply
    784,912.60x = 1,177,368.90 × 193,936.60
  4. Step 4: Simplify right side
    784,912.60x = 228,334,921,411.74
  5. Step 5: Solve for x
    x = 228,334,921,411.74/784,912.60
  6. Step 6: Final answer
    x = 290,904.90

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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.