Home / 1,057,219.20-1,585,828.80-609,321.60

Finding the Fourth Proportional to 1,057,219.20, 1,585,828.80 and 609,321.60

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Solution

The fourth proportional to 1,057,219.20, 1,585,828.80 and 609,321.60 is: 913,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,219.20 : 1,585,828.80 = 609,321.60 : x
  2. Step 2: Convert to fraction form
    1,057,219.20/1,585,828.80 = 609,321.60/x
  3. Step 3: Cross multiply
    1,057,219.20x = 1,585,828.80 × 609,321.60
  4. Step 4: Simplify right side
    1,057,219.20x = 966,279,741,742.08
  5. Step 5: Solve for x
    x = 966,279,741,742.08/1,057,219.20
  6. Step 6: Final answer
    x = 913,982.40

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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.