Home / 1,214,647.20-1,821,970.80-583,408.80

Finding the Fourth Proportional to 1,214,647.20, 1,821,970.80 and 583,408.80

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Solution

The fourth proportional to 1,214,647.20, 1,821,970.80 and 583,408.80 is: 875,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,647.20 : 1,821,970.80 = 583,408.80 : x
  2. Step 2: Convert to fraction form
    1,214,647.20/1,821,970.80 = 583,408.80/x
  3. Step 3: Cross multiply
    1,214,647.20x = 1,821,970.80 × 583,408.80
  4. Step 4: Simplify right side
    1,214,647.20x = 1,062,953,798,063.04
  5. Step 5: Solve for x
    x = 1,062,953,798,063.04/1,214,647.20
  6. Step 6: Final answer
    x = 875,113.20

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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.