Home / 1,308,356.56-1,962,533.26-409,868.28

Finding the Fourth Proportional to 1,308,356.56, 1,962,533.26 and 409,868.28

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Solution

The fourth proportional to 1,308,356.56, 1,962,533.26 and 409,868.28 is: 614,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,356.56 : 1,962,533.26 = 409,868.28 : x
  2. Step 2: Convert to fraction form
    1,308,356.56/1,962,533.26 = 409,868.28/x
  3. Step 3: Cross multiply
    1,308,356.56x = 1,962,533.26 × 409,868.28
  4. Step 4: Simplify right side
    1,308,356.56x = 804,380,131,718.99
  5. Step 5: Solve for x
    x = 804,380,131,718.99/1,308,356.56
  6. Step 6: Final answer
    x = 614,801.93

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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.