Home / 1,617,890.40-2,426,873.16-419,859.96

Finding the Fourth Proportional to 1,617,890.40, 2,426,873.16 and 419,859.96

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Solution

The fourth proportional to 1,617,890.40, 2,426,873.16 and 419,859.96 is: 629,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,890.40 : 2,426,873.16 = 419,859.96 : x
  2. Step 2: Convert to fraction form
    1,617,890.40/2,426,873.16 = 419,859.96/x
  3. Step 3: Cross multiply
    1,617,890.40x = 2,426,873.16 × 419,859.96
  4. Step 4: Simplify right side
    1,617,890.40x = 1,018,946,867,882.67
  5. Step 5: Solve for x
    x = 1,018,946,867,882.67/1,617,890.40
  6. Step 6: Final answer
    x = 629,799.69

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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.