Home / 769,897.74-1,062,283.77-443,247.42

Finding the Fourth Proportional to 769,897.74, 1,062,283.77 and 443,247.42

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Solution

The fourth proportional to 769,897.74, 1,062,283.77 and 443,247.42 is: 611,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,897.74 : 1,062,283.77 = 443,247.42 : x
  2. Step 2: Convert to fraction form
    769,897.74/1,062,283.77 = 443,247.42/x
  3. Step 3: Cross multiply
    769,897.74x = 1,062,283.77 × 443,247.42
  4. Step 4: Simplify right side
    769,897.74x = 470,854,540,360.37
  5. Step 5: Solve for x
    x = 470,854,540,360.37/769,897.74
  6. Step 6: Final answer
    x = 611,580.62

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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.