Home / 1,684,438.40-2,526,657.60-925,986.80

Finding the Fourth Proportional to 1,684,438.40, 2,526,657.60 and 925,986.80

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Solution

The fourth proportional to 1,684,438.40, 2,526,657.60 and 925,986.80 is: 1,388,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,438.40 : 2,526,657.60 = 925,986.80 : x
  2. Step 2: Convert to fraction form
    1,684,438.40/2,526,657.60 = 925,986.80/x
  3. Step 3: Cross multiply
    1,684,438.40x = 2,526,657.60 × 925,986.80
  4. Step 4: Simplify right side
    1,684,438.40x = 2,339,651,585,719.68
  5. Step 5: Solve for x
    x = 2,339,651,585,719.68/1,684,438.40
  6. Step 6: Final answer
    x = 1,388,980.20

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Why These Related Problems?

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