Home / 784,197.28-1,176,303.20-223,231.76

Finding the Fourth Proportional to 784,197.28, 1,176,303.20 and 223,231.76

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Solution

The fourth proportional to 784,197.28, 1,176,303.20 and 223,231.76 is: 334,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,197.28 : 1,176,303.20 = 223,231.76 : x
  2. Step 2: Convert to fraction form
    784,197.28/1,176,303.20 = 223,231.76/x
  3. Step 3: Cross multiply
    784,197.28x = 1,176,303.20 × 223,231.76
  4. Step 4: Simplify right side
    784,197.28x = 262,588,233,629.63
  5. Step 5: Solve for x
    x = 262,588,233,629.63/784,197.28
  6. Step 6: Final answer
    x = 334,849.71

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Double scale
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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.