Home / 1,328,030.28-1,992,063.24-417,183.08

Finding the Fourth Proportional to 1,328,030.28, 1,992,063.24 and 417,183.08

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Solution

The fourth proportional to 1,328,030.28, 1,992,063.24 and 417,183.08 is: 625,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,030.28 : 1,992,063.24 = 417,183.08 : x
  2. Step 2: Convert to fraction form
    1,328,030.28/1,992,063.24 = 417,183.08/x
  3. Step 3: Cross multiply
    1,328,030.28x = 1,992,063.24 × 417,183.08
  4. Step 4: Simplify right side
    1,328,030.28x = 831,055,068,057.66
  5. Step 5: Solve for x
    x = 831,055,068,057.66/1,328,030.28
  6. Step 6: Final answer
    x = 625,780.21

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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.