Home / 772,766.54-1,065,186.06-609,156.41

Finding the Fourth Proportional to 772,766.54, 1,065,186.06 and 609,156.41

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Solution

The fourth proportional to 772,766.54, 1,065,186.06 and 609,156.41 is: 839,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,766.54 : 1,065,186.06 = 609,156.41 : x
  2. Step 2: Convert to fraction form
    772,766.54/1,065,186.06 = 609,156.41/x
  3. Step 3: Cross multiply
    772,766.54x = 1,065,186.06 × 609,156.41
  4. Step 4: Simplify right side
    772,766.54x = 648,864,914,577.35
  5. Step 5: Solve for x
    x = 648,864,914,577.35/772,766.54
  6. Step 6: Final answer
    x = 839,664.87

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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.