Home / 919,005.30-1,376,539.65-741,858.30

Finding the Fourth Proportional to 919,005.30, 1,376,539.65 and 741,858.30

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Solution

The fourth proportional to 919,005.30, 1,376,539.65 and 741,858.30 is: 1,111,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,005.30 : 1,376,539.65 = 741,858.30 : x
  2. Step 2: Convert to fraction form
    919,005.30/1,376,539.65 = 741,858.30/x
  3. Step 3: Cross multiply
    919,005.30x = 1,376,539.65 × 741,858.30
  4. Step 4: Simplify right side
    919,005.30x = 1,021,197,364,631.60
  5. Step 5: Solve for x
    x = 1,021,197,364,631.60/919,005.30
  6. Step 6: Final answer
    x = 1,111,198.56

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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.