Home / 1,410,042-1,945,860.39-806,430

Finding the Fourth Proportional to 1,410,042, 1,945,860.39 and 806,430

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Solution

The fourth proportional to 1,410,042, 1,945,860.39 and 806,430 is: 1,112,874.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,042 : 1,945,860.39 = 806,430 : x
  2. Step 2: Convert to fraction form
    1,410,042/1,945,860.39 = 806,430/x
  3. Step 3: Cross multiply
    1,410,042x = 1,945,860.39 × 806,430
  4. Step 4: Simplify right side
    1,410,042x = 1,569,200,194,307.70
  5. Step 5: Solve for x
    x = 1,569,200,194,307.70/1,410,042
  6. Step 6: Final answer
    x = 1,112,874.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.