Home / 738,910.16-1,019,223.24-512,473.04

Finding the Fourth Proportional to 738,910.16, 1,019,223.24 and 512,473.04

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Solution

The fourth proportional to 738,910.16, 1,019,223.24 and 512,473.04 is: 706,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,910.16 : 1,019,223.24 = 512,473.04 : x
  2. Step 2: Convert to fraction form
    738,910.16/1,019,223.24 = 512,473.04/x
  3. Step 3: Cross multiply
    738,910.16x = 1,019,223.24 × 512,473.04
  4. Step 4: Simplify right side
    738,910.16x = 522,324,432,241.45
  5. Step 5: Solve for x
    x = 522,324,432,241.45/738,910.16
  6. Step 6: Final answer
    x = 706,884.90

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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.