Home / 876,285.44-1,209,264.64-494,436.48

Finding the Fourth Proportional to 876,285.44, 1,209,264.64 and 494,436.48

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Solution

The fourth proportional to 876,285.44, 1,209,264.64 and 494,436.48 is: 682,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,285.44 : 1,209,264.64 = 494,436.48 : x
  2. Step 2: Convert to fraction form
    876,285.44/1,209,264.64 = 494,436.48/x
  3. Step 3: Cross multiply
    876,285.44x = 1,209,264.64 × 494,436.48
  4. Step 4: Simplify right side
    876,285.44x = 597,904,551,990.07
  5. Step 5: Solve for x
    x = 597,904,551,990.07/876,285.44
  6. Step 6: Final answer
    x = 682,317.11

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1.5x scale

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.