Home / 1,212,600.25-1,818,893.08-314,039.71

Finding the Fourth Proportional to 1,212,600.25, 1,818,893.08 and 314,039.71

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Solution

The fourth proportional to 1,212,600.25, 1,818,893.08 and 314,039.71 is: 471,057.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,600.25 : 1,818,893.08 = 314,039.71 : x
  2. Step 2: Convert to fraction form
    1,212,600.25/1,818,893.08 = 314,039.71/x
  3. Step 3: Cross multiply
    1,212,600.25x = 1,818,893.08 × 314,039.71
  4. Step 4: Simplify right side
    1,212,600.25x = 571,204,655,364.21
  5. Step 5: Solve for x
    x = 571,204,655,364.21/1,212,600.25
  6. Step 6: Final answer
    x = 471,057.68

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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.