Home / 1,159,418.49-1,739,138.94-439,566.60

Finding the Fourth Proportional to 1,159,418.49, 1,739,138.94 and 439,566.60

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Solution

The fourth proportional to 1,159,418.49, 1,739,138.94 and 439,566.60 is: 659,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,418.49 : 1,739,138.94 = 439,566.60 : x
  2. Step 2: Convert to fraction form
    1,159,418.49/1,739,138.94 = 439,566.60/x
  3. Step 3: Cross multiply
    1,159,418.49x = 1,739,138.94 × 439,566.60
  4. Step 4: Simplify right side
    1,159,418.49x = 764,467,390,783.40
  5. Step 5: Solve for x
    x = 764,467,390,783.40/1,159,418.49
  6. Step 6: Final answer
    x = 659,354.15

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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.