Home / 847,571.10-1,169,849.89-485,204.37

Finding the Fourth Proportional to 847,571.10, 1,169,849.89 and 485,204.37

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Solution

The fourth proportional to 847,571.10, 1,169,849.89 and 485,204.37 is: 669,697.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,571.10 : 1,169,849.89 = 485,204.37 : x
  2. Step 2: Convert to fraction form
    847,571.10/1,169,849.89 = 485,204.37/x
  3. Step 3: Cross multiply
    847,571.10x = 1,169,849.89 × 485,204.37
  4. Step 4: Simplify right side
    847,571.10x = 567,616,278,872.02
  5. Step 5: Solve for x
    x = 567,616,278,872.02/847,571.10
  6. Step 6: Final answer
    x = 669,697.54

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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.