Home / 1,341,221.70-2,011,638.15-394,493.70

Finding the Fourth Proportional to 1,341,221.70, 2,011,638.15 and 394,493.70

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Solution

The fourth proportional to 1,341,221.70, 2,011,638.15 and 394,493.70 is: 591,683.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,221.70 : 2,011,638.15 = 394,493.70 : x
  2. Step 2: Convert to fraction form
    1,341,221.70/2,011,638.15 = 394,493.70/x
  3. Step 3: Cross multiply
    1,341,221.70x = 2,011,638.15 × 394,493.70
  4. Step 4: Simplify right side
    1,341,221.70x = 793,578,576,854.66
  5. Step 5: Solve for x
    x = 793,578,576,854.66/1,341,221.70
  6. Step 6: Final answer
    x = 591,683.37

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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.