Home / 1,410,923.82-1,947,089.16-766,356.60

Finding the Fourth Proportional to 1,410,923.82, 1,947,089.16 and 766,356.60

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Solution

The fourth proportional to 1,410,923.82, 1,947,089.16 and 766,356.60 is: 1,057,579.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,923.82 : 1,947,089.16 = 766,356.60 : x
  2. Step 2: Convert to fraction form
    1,410,923.82/1,947,089.16 = 766,356.60/x
  3. Step 3: Cross multiply
    1,410,923.82x = 1,947,089.16 × 766,356.60
  4. Step 4: Simplify right side
    1,410,923.82x = 1,492,164,628,554.46
  5. Step 5: Solve for x
    x = 1,492,164,628,554.46/1,410,923.82
  6. Step 6: Final answer
    x = 1,057,579.87

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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.