Home / 670,136.54-1,003,761.33-314,617.82

Finding the Fourth Proportional to 670,136.54, 1,003,761.33 and 314,617.82

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Solution

The fourth proportional to 670,136.54, 1,003,761.33 and 314,617.82 is: 471,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,136.54 : 1,003,761.33 = 314,617.82 : x
  2. Step 2: Convert to fraction form
    670,136.54/1,003,761.33 = 314,617.82/x
  3. Step 3: Cross multiply
    670,136.54x = 1,003,761.33 × 314,617.82
  4. Step 4: Simplify right side
    670,136.54x = 315,801,201,444.90
  5. Step 5: Solve for x
    x = 315,801,201,444.90/670,136.54
  6. Step 6: Final answer
    x = 471,249.04

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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.