Home / 637,738.71-956,742.99-211,250.37

Finding the Fourth Proportional to 637,738.71, 956,742.99 and 211,250.37

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Solution

The fourth proportional to 637,738.71, 956,742.99 and 211,250.37 is: 316,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,738.71 : 956,742.99 = 211,250.37 : x
  2. Step 2: Convert to fraction form
    637,738.71/956,742.99 = 211,250.37/x
  3. Step 3: Cross multiply
    637,738.71x = 956,742.99 × 211,250.37
  4. Step 4: Simplify right side
    637,738.71x = 202,112,310,632.41
  5. Step 5: Solve for x
    x = 202,112,310,632.41/637,738.71
  6. Step 6: Final answer
    x = 316,920.25

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Double scale
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Similar ratio
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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.