Home / 898,935.99-1,240,535.89-491,043.48

Finding the Fourth Proportional to 898,935.99, 1,240,535.89 and 491,043.48

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Solution

The fourth proportional to 898,935.99, 1,240,535.89 and 491,043.48 is: 677,642.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,935.99 : 1,240,535.89 = 491,043.48 : x
  2. Step 2: Convert to fraction form
    898,935.99/1,240,535.89 = 491,043.48/x
  3. Step 3: Cross multiply
    898,935.99x = 1,240,535.89 × 491,043.48
  4. Step 4: Simplify right side
    898,935.99x = 609,157,060,490.50
  5. Step 5: Solve for x
    x = 609,157,060,490.50/898,935.99
  6. Step 6: Final answer
    x = 677,642.31

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