Home / 1,076,419.30-1,485,356.41-617,571.67

Finding the Fourth Proportional to 1,076,419.30, 1,485,356.41 and 617,571.67

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Solution

The fourth proportional to 1,076,419.30, 1,485,356.41 and 617,571.67 is: 852,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,419.30 : 1,485,356.41 = 617,571.67 : x
  2. Step 2: Convert to fraction form
    1,076,419.30/1,485,356.41 = 617,571.67/x
  3. Step 3: Cross multiply
    1,076,419.30x = 1,485,356.41 × 617,571.67
  4. Step 4: Simplify right side
    1,076,419.30x = 917,314,032,598.04
  5. Step 5: Solve for x
    x = 917,314,032,598.04/1,076,419.30
  6. Step 6: Final answer
    x = 852,190.25

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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.