Home / 1,251,336-1,726,833.42-678,361.44

Finding the Fourth Proportional to 1,251,336, 1,726,833.42 and 678,361.44

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Solution

The fourth proportional to 1,251,336, 1,726,833.42 and 678,361.44 is: 936,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,336 : 1,726,833.42 = 678,361.44 : x
  2. Step 2: Convert to fraction form
    1,251,336/1,726,833.42 = 678,361.44/x
  3. Step 3: Cross multiply
    1,251,336x = 1,726,833.42 × 678,361.44
  4. Step 4: Simplify right side
    1,251,336x = 1,171,417,205,431.32
  5. Step 5: Solve for x
    x = 1,171,417,205,431.32/1,251,336
  6. Step 6: Final answer
    x = 936,133.23

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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.