Home / 1,124,408.20-1,686,029.10-414,070.60

Finding the Fourth Proportional to 1,124,408.20, 1,686,029.10 and 414,070.60

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Solution

The fourth proportional to 1,124,408.20, 1,686,029.10 and 414,070.60 is: 620,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,408.20 : 1,686,029.10 = 414,070.60 : x
  2. Step 2: Convert to fraction form
    1,124,408.20/1,686,029.10 = 414,070.60/x
  3. Step 3: Cross multiply
    1,124,408.20x = 1,686,029.10 × 414,070.60
  4. Step 4: Simplify right side
    1,124,408.20x = 698,135,081,054.46
  5. Step 5: Solve for x
    x = 698,135,081,054.46/1,124,408.20
  6. Step 6: Final answer
    x = 620,891.13

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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.