Home / 1,619,720.40-2,430,617.40-945,800.40

Finding the Fourth Proportional to 1,619,720.40, 2,430,617.40 and 945,800.40

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Solution

The fourth proportional to 1,619,720.40, 2,430,617.40 and 945,800.40 is: 1,419,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,720.40 : 2,430,617.40 = 945,800.40 : x
  2. Step 2: Convert to fraction form
    1,619,720.40/2,430,617.40 = 945,800.40/x
  3. Step 3: Cross multiply
    1,619,720.40x = 2,430,617.40 × 945,800.40
  4. Step 4: Simplify right side
    1,619,720.40x = 2,298,878,909,166.96
  5. Step 5: Solve for x
    x = 2,298,878,909,166.96/1,619,720.40
  6. Step 6: Final answer
    x = 1,419,306.02

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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.