Home / 927,917.10-1,391,534.19-320,550.84

Finding the Fourth Proportional to 927,917.10, 1,391,534.19 and 320,550.84

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Solution

The fourth proportional to 927,917.10, 1,391,534.19 and 320,550.84 is: 480,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,917.10 : 1,391,534.19 = 320,550.84 : x
  2. Step 2: Convert to fraction form
    927,917.10/1,391,534.19 = 320,550.84/x
  3. Step 3: Cross multiply
    927,917.10x = 1,391,534.19 × 320,550.84
  4. Step 4: Simplify right side
    927,917.10x = 446,057,453,493.22
  5. Step 5: Solve for x
    x = 446,057,453,493.22/927,917.10
  6. Step 6: Final answer
    x = 480,708.30

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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.