Home / 735,871.50-1,015,586.91-409,217.13

Finding the Fourth Proportional to 735,871.50, 1,015,586.91 and 409,217.13

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Solution

The fourth proportional to 735,871.50, 1,015,586.91 and 409,217.13 is: 564,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,871.50 : 1,015,586.91 = 409,217.13 : x
  2. Step 2: Convert to fraction form
    735,871.50/1,015,586.91 = 409,217.13/x
  3. Step 3: Cross multiply
    735,871.50x = 1,015,586.91 × 409,217.13
  4. Step 4: Simplify right side
    735,871.50x = 415,595,560,575.77
  5. Step 5: Solve for x
    x = 415,595,560,575.77/735,871.50
  6. Step 6: Final answer
    x = 564,766.49

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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.