Home / 1,121,179.49-1,682,037.15-363,021.77

Finding the Fourth Proportional to 1,121,179.49, 1,682,037.15 and 363,021.77

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Solution

The fourth proportional to 1,121,179.49, 1,682,037.15 and 363,021.77 is: 544,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,179.49 : 1,682,037.15 = 363,021.77 : x
  2. Step 2: Convert to fraction form
    1,121,179.49/1,682,037.15 = 363,021.77/x
  3. Step 3: Cross multiply
    1,121,179.49x = 1,682,037.15 × 363,021.77
  4. Step 4: Simplify right side
    1,121,179.49x = 610,616,107,603.85
  5. Step 5: Solve for x
    x = 610,616,107,603.85/1,121,179.49
  6. Step 6: Final answer
    x = 544,619.40

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Double scale
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1.5x scale

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.