Home / 1,568,289.60-2,352,434.40-621,172.80

Finding the Fourth Proportional to 1,568,289.60, 2,352,434.40 and 621,172.80

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Solution

The fourth proportional to 1,568,289.60, 2,352,434.40 and 621,172.80 is: 931,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,289.60 : 2,352,434.40 = 621,172.80 : x
  2. Step 2: Convert to fraction form
    1,568,289.60/2,352,434.40 = 621,172.80/x
  3. Step 3: Cross multiply
    1,568,289.60x = 2,352,434.40 × 621,172.80
  4. Step 4: Simplify right side
    1,568,289.60x = 1,461,268,263,064.32
  5. Step 5: Solve for x
    x = 1,461,268,263,064.32/1,568,289.60
  6. Step 6: Final answer
    x = 931,759.20

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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.