Home / 638,004.20-958,431.90-533,028.20

Finding the Fourth Proportional to 638,004.20, 958,431.90 and 533,028.20

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Solution

The fourth proportional to 638,004.20, 958,431.90 and 533,028.20 is: 800,733.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,004.20 : 958,431.90 = 533,028.20 : x
  2. Step 2: Convert to fraction form
    638,004.20/958,431.90 = 533,028.20/x
  3. Step 3: Cross multiply
    638,004.20x = 958,431.90 × 533,028.20
  4. Step 4: Simplify right side
    638,004.20x = 510,871,230,479.58
  5. Step 5: Solve for x
    x = 510,871,230,479.58/638,004.20
  6. Step 6: Final answer
    x = 800,733.33

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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.