Home / 784,586.70-1,176,880.05-223,548.30

Finding the Fourth Proportional to 784,586.70, 1,176,880.05 and 223,548.30

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Solution

The fourth proportional to 784,586.70, 1,176,880.05 and 223,548.30 is: 335,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,586.70 : 1,176,880.05 = 223,548.30 : x
  2. Step 2: Convert to fraction form
    784,586.70/1,176,880.05 = 223,548.30/x
  3. Step 3: Cross multiply
    784,586.70x = 1,176,880.05 × 223,548.30
  4. Step 4: Simplify right side
    784,586.70x = 263,089,534,481.42
  5. Step 5: Solve for x
    x = 263,089,534,481.42/784,586.70
  6. Step 6: Final answer
    x = 335,322.45

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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.