Home / 1,054,729.90-1,581,621.79-628,466.59

Finding the Fourth Proportional to 1,054,729.90, 1,581,621.79 and 628,466.59

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Solution

The fourth proportional to 1,054,729.90, 1,581,621.79 and 628,466.59 is: 942,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,729.90 : 1,581,621.79 = 628,466.59 : x
  2. Step 2: Convert to fraction form
    1,054,729.90/1,581,621.79 = 628,466.59/x
  3. Step 3: Cross multiply
    1,054,729.90x = 1,581,621.79 × 628,466.59
  4. Step 4: Simplify right side
    1,054,729.90x = 993,996,453,031.00
  5. Step 5: Solve for x
    x = 993,996,453,031.00/1,054,729.90
  6. Step 6: Final answer
    x = 942,418.01

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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.