Home / 784,211.30-1,176,292.65-223,245.80

Finding the Fourth Proportional to 784,211.30, 1,176,292.65 and 223,245.80

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Solution

The fourth proportional to 784,211.30, 1,176,292.65 and 223,245.80 is: 334,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,211.30 : 1,176,292.65 = 223,245.80 : x
  2. Step 2: Convert to fraction form
    784,211.30/1,176,292.65 = 223,245.80/x
  3. Step 3: Cross multiply
    784,211.30x = 1,176,292.65 × 223,245.80
  4. Step 4: Simplify right side
    784,211.30x = 262,602,393,683.37
  5. Step 5: Solve for x
    x = 262,602,393,683.37/784,211.30
  6. Step 6: Final answer
    x = 334,861.78

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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.