Home / 638,182.46-957,322.90-188,896.12

Finding the Fourth Proportional to 638,182.46, 957,322.90 and 188,896.12

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Solution

The fourth proportional to 638,182.46, 957,322.90 and 188,896.12 is: 283,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,182.46 : 957,322.90 = 188,896.12 : x
  2. Step 2: Convert to fraction form
    638,182.46/957,322.90 = 188,896.12/x
  3. Step 3: Cross multiply
    638,182.46x = 957,322.90 × 188,896.12
  4. Step 4: Simplify right side
    638,182.46x = 180,834,579,239.96
  5. Step 5: Solve for x
    x = 180,834,579,239.96/638,182.46
  6. Step 6: Final answer
    x = 283,358.74

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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.