Home / 784,481.46-1,082,550.30-435,600.18

Finding the Fourth Proportional to 784,481.46, 1,082,550.30 and 435,600.18

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Solution

The fourth proportional to 784,481.46, 1,082,550.30 and 435,600.18 is: 601,109.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,481.46 : 1,082,550.30 = 435,600.18 : x
  2. Step 2: Convert to fraction form
    784,481.46/1,082,550.30 = 435,600.18/x
  3. Step 3: Cross multiply
    784,481.46x = 1,082,550.30 × 435,600.18
  4. Step 4: Simplify right side
    784,481.46x = 471,559,105,539.05
  5. Step 5: Solve for x
    x = 471,559,105,539.05/784,481.46
  6. Step 6: Final answer
    x = 601,109.31

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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.