Home / 627,003.41-865,269.77-340,525.53

Finding the Fourth Proportional to 627,003.41, 865,269.77 and 340,525.53

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Solution

The fourth proportional to 627,003.41, 865,269.77 and 340,525.53 is: 469,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,003.41 : 865,269.77 = 340,525.53 : x
  2. Step 2: Convert to fraction form
    627,003.41/865,269.77 = 340,525.53/x
  3. Step 3: Cross multiply
    627,003.41x = 865,269.77 × 340,525.53
  4. Step 4: Simplify right side
    627,003.41x = 294,646,445,319.60
  5. Step 5: Solve for x
    x = 294,646,445,319.60/627,003.41
  6. Step 6: Final answer
    x = 469,927.98

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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.