Home / 784,245.80-1,176,344.40-223,280.30

Finding the Fourth Proportional to 784,245.80, 1,176,344.40 and 223,280.30

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Solution

The fourth proportional to 784,245.80, 1,176,344.40 and 223,280.30 is: 334,913.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,245.80 : 1,176,344.40 = 223,280.30 : x
  2. Step 2: Convert to fraction form
    784,245.80/1,176,344.40 = 223,280.30/x
  3. Step 3: Cross multiply
    784,245.80x = 1,176,344.40 × 223,280.30
  4. Step 4: Simplify right side
    784,245.80x = 262,654,530,535.32
  5. Step 5: Solve for x
    x = 262,654,530,535.32/784,245.80
  6. Step 6: Final answer
    x = 334,913.53

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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.