Home / 751,284.86-1,126,939.64-211,554.11

Finding the Fourth Proportional to 751,284.86, 1,126,939.64 and 211,554.11

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Solution

The fourth proportional to 751,284.86, 1,126,939.64 and 211,554.11 is: 317,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,284.86 : 1,126,939.64 = 211,554.11 : x
  2. Step 2: Convert to fraction form
    751,284.86/1,126,939.64 = 211,554.11/x
  3. Step 3: Cross multiply
    751,284.86x = 1,126,939.64 × 211,554.11
  4. Step 4: Simplify right side
    751,284.86x = 238,408,714,323.50
  5. Step 5: Solve for x
    x = 238,408,714,323.50/751,284.86
  6. Step 6: Final answer
    x = 317,334.65

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Double scale
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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.