Home / 1,585,527.53-2,188,016.88-860,356.80

Finding the Fourth Proportional to 1,585,527.53, 2,188,016.88 and 860,356.80

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Solution

The fourth proportional to 1,585,527.53, 2,188,016.88 and 860,356.80 is: 1,187,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,527.53 : 2,188,016.88 = 860,356.80 : x
  2. Step 2: Convert to fraction form
    1,585,527.53/2,188,016.88 = 860,356.80/x
  3. Step 3: Cross multiply
    1,585,527.53x = 2,188,016.88 × 860,356.80
  4. Step 4: Simplify right side
    1,585,527.53x = 1,882,475,201,222.78
  5. Step 5: Solve for x
    x = 1,882,475,201,222.78/1,585,527.53
  6. Step 6: Final answer
    x = 1,187,286.36

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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.