Home / 769,525.20-1,061,634.24-511,526.88

Finding the Fourth Proportional to 769,525.20, 1,061,634.24 and 511,526.88

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Solution

The fourth proportional to 769,525.20, 1,061,634.24 and 511,526.88 is: 705,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,525.20 : 1,061,634.24 = 511,526.88 : x
  2. Step 2: Convert to fraction form
    769,525.20/1,061,634.24 = 511,526.88/x
  3. Step 3: Cross multiply
    769,525.20x = 1,061,634.24 × 511,526.88
  4. Step 4: Simplify right side
    769,525.20x = 543,054,450,488.37
  5. Step 5: Solve for x
    x = 543,054,450,488.37/769,525.20
  6. Step 6: Final answer
    x = 705,700.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.