Home / 784,359.05-1,176,734.79-223,393.55

Finding the Fourth Proportional to 784,359.05, 1,176,734.79 and 223,393.55

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Solution

The fourth proportional to 784,359.05, 1,176,734.79 and 223,393.55 is: 335,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,359.05 : 1,176,734.79 = 223,393.55 : x
  2. Step 2: Convert to fraction form
    784,359.05/1,176,734.79 = 223,393.55/x
  3. Step 3: Cross multiply
    784,359.05x = 1,176,734.79 × 223,393.55
  4. Step 4: Simplify right side
    784,359.05x = 262,874,956,262.93
  5. Step 5: Solve for x
    x = 262,874,956,262.93/784,359.05
  6. Step 6: Final answer
    x = 335,146.20

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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.