Home / 1,295,640.23-1,940,655.51-939,870

Finding the Fourth Proportional to 1,295,640.23, 1,940,655.51 and 939,870

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Solution

The fourth proportional to 1,295,640.23, 1,940,655.51 and 939,870 is: 1,407,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,640.23 : 1,940,655.51 = 939,870 : x
  2. Step 2: Convert to fraction form
    1,295,640.23/1,940,655.51 = 939,870/x
  3. Step 3: Cross multiply
    1,295,640.23x = 1,940,655.51 × 939,870
  4. Step 4: Simplify right side
    1,295,640.23x = 1,823,963,894,183.70
  5. Step 5: Solve for x
    x = 1,823,963,894,183.70/1,295,640.23
  6. Step 6: Final answer
    x = 1,407,770.35

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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.