Home / 865,490.34-1,297,075.08-673,596.54

Finding the Fourth Proportional to 865,490.34, 1,297,075.08 and 673,596.54

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Solution

The fourth proportional to 865,490.34, 1,297,075.08 and 673,596.54 is: 1,009,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,490.34 : 1,297,075.08 = 673,596.54 : x
  2. Step 2: Convert to fraction form
    865,490.34/1,297,075.08 = 673,596.54/x
  3. Step 3: Cross multiply
    865,490.34x = 1,297,075.08 × 673,596.54
  4. Step 4: Simplify right side
    865,490.34x = 873,705,286,008.22
  5. Step 5: Solve for x
    x = 873,705,286,008.22/865,490.34
  6. Step 6: Final answer
    x = 1,009,491.67

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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.