Home / 886,868.53-1,329,957.69-287,684.80

Finding the Fourth Proportional to 886,868.53, 1,329,957.69 and 287,684.80

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Solution

The fourth proportional to 886,868.53, 1,329,957.69 and 287,684.80 is: 431,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,868.53 : 1,329,957.69 = 287,684.80 : x
  2. Step 2: Convert to fraction form
    886,868.53/1,329,957.69 = 287,684.80/x
  3. Step 3: Cross multiply
    886,868.53x = 1,329,957.69 × 287,684.80
  4. Step 4: Simplify right side
    886,868.53x = 382,608,612,056.11
  5. Step 5: Solve for x
    x = 382,608,612,056.11/886,868.53
  6. Step 6: Final answer
    x = 431,415.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.