Home / 1,328,030.60-1,992,063.65-417,183.37

Finding the Fourth Proportional to 1,328,030.60, 1,992,063.65 and 417,183.37

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Solution

The fourth proportional to 1,328,030.60, 1,992,063.65 and 417,183.37 is: 625,780.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,030.60 : 1,992,063.65 = 417,183.37 : x
  2. Step 2: Convert to fraction form
    1,328,030.60/1,992,063.65 = 417,183.37/x
  3. Step 3: Cross multiply
    1,328,030.60x = 1,992,063.65 × 417,183.37
  4. Step 4: Simplify right side
    1,328,030.60x = 831,055,819,695.43
  5. Step 5: Solve for x
    x = 831,055,819,695.43/1,328,030.60
  6. Step 6: Final answer
    x = 625,780.63

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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.