Home / 638,512.50-957,773.55-283,431.06

Finding the Fourth Proportional to 638,512.50, 957,773.55 and 283,431.06

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Solution

The fourth proportional to 638,512.50, 957,773.55 and 283,431.06 is: 425,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,512.50 : 957,773.55 = 283,431.06 : x
  2. Step 2: Convert to fraction form
    638,512.50/957,773.55 = 283,431.06/x
  3. Step 3: Cross multiply
    638,512.50x = 957,773.55 × 283,431.06
  4. Step 4: Simplify right side
    638,512.50x = 271,462,772,516.46
  5. Step 5: Solve for x
    x = 271,462,772,516.46/638,512.50
  6. Step 6: Final answer
    x = 425,148.72

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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.