Home / 1,093,512.15-1,639,776.15-419,369.40

Finding the Fourth Proportional to 1,093,512.15, 1,639,776.15 and 419,369.40

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Solution

The fourth proportional to 1,093,512.15, 1,639,776.15 and 419,369.40 is: 628,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,512.15 : 1,639,776.15 = 419,369.40 : x
  2. Step 2: Convert to fraction form
    1,093,512.15/1,639,776.15 = 419,369.40/x
  3. Step 3: Cross multiply
    1,093,512.15x = 1,639,776.15 × 419,369.40
  4. Step 4: Simplify right side
    1,093,512.15x = 687,671,940,159.81
  5. Step 5: Solve for x
    x = 687,671,940,159.81/1,093,512.15
  6. Step 6: Final answer
    x = 628,865.39

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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.