Home / 1,213,887.44-1,675,333.32-677,378

Finding the Fourth Proportional to 1,213,887.44, 1,675,333.32 and 677,378

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Solution

The fourth proportional to 1,213,887.44, 1,675,333.32 and 677,378 is: 934,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,887.44 : 1,675,333.32 = 677,378 : x
  2. Step 2: Convert to fraction form
    1,213,887.44/1,675,333.32 = 677,378/x
  3. Step 3: Cross multiply
    1,213,887.44x = 1,675,333.32 × 677,378
  4. Step 4: Simplify right side
    1,213,887.44x = 1,134,833,933,634.96
  5. Step 5: Solve for x
    x = 1,134,833,933,634.96/1,213,887.44
  6. Step 6: Final answer
    x = 934,875.75

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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.