Home / 801,818.61-1,106,510.13-439,255.59

Finding the Fourth Proportional to 801,818.61, 1,106,510.13 and 439,255.59

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Solution

The fourth proportional to 801,818.61, 1,106,510.13 and 439,255.59 is: 606,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,818.61 : 1,106,510.13 = 439,255.59 : x
  2. Step 2: Convert to fraction form
    801,818.61/1,106,510.13 = 439,255.59/x
  3. Step 3: Cross multiply
    801,818.61x = 1,106,510.13 × 439,255.59
  4. Step 4: Simplify right side
    801,818.61x = 486,040,759,994.13
  5. Step 5: Solve for x
    x = 486,040,759,994.13/801,818.61
  6. Step 6: Final answer
    x = 606,172.96

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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.