Home / 766,719.73-1,058,253.53-476,550.44

Finding the Fourth Proportional to 766,719.73, 1,058,253.53 and 476,550.44

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Solution

The fourth proportional to 766,719.73, 1,058,253.53 and 476,550.44 is: 657,751.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,719.73 : 1,058,253.53 = 476,550.44 : x
  2. Step 2: Convert to fraction form
    766,719.73/1,058,253.53 = 476,550.44/x
  3. Step 3: Cross multiply
    766,719.73x = 1,058,253.53 × 476,550.44
  4. Step 4: Simplify right side
    766,719.73x = 504,311,185,353.05
  5. Step 5: Solve for x
    x = 504,311,185,353.05/766,719.73
  6. Step 6: Final answer
    x = 657,751.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.