Home / 1,211,600.10-1,817,400.15-1,203,305.70

Finding the Fourth Proportional to 1,211,600.10, 1,817,400.15 and 1,203,305.70

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Solution

The fourth proportional to 1,211,600.10, 1,817,400.15 and 1,203,305.70 is: 1,804,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,600.10 : 1,817,400.15 = 1,203,305.70 : x
  2. Step 2: Convert to fraction form
    1,211,600.10/1,817,400.15 = 1,203,305.70/x
  3. Step 3: Cross multiply
    1,211,600.10x = 1,817,400.15 × 1,203,305.70
  4. Step 4: Simplify right side
    1,211,600.10x = 2,186,887,959,675.85
  5. Step 5: Solve for x
    x = 2,186,887,959,675.85/1,211,600.10
  6. Step 6: Final answer
    x = 1,804,958.55

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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.