Home / 1,256,107.80-1,883,878.70-357,529.64

Finding the Fourth Proportional to 1,256,107.80, 1,883,878.70 and 357,529.64

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Solution

The fourth proportional to 1,256,107.80, 1,883,878.70 and 357,529.64 is: 536,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,107.80 : 1,883,878.70 = 357,529.64 : x
  2. Step 2: Convert to fraction form
    1,256,107.80/1,883,878.70 = 357,529.64/x
  3. Step 3: Cross multiply
    1,256,107.80x = 1,883,878.70 × 357,529.64
  4. Step 4: Simplify right side
    1,256,107.80x = 673,542,473,414.67
  5. Step 5: Solve for x
    x = 673,542,473,414.67/1,256,107.80
  6. Step 6: Final answer
    x = 536,213.91

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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.