Home / 1,228,101.60-1,842,411.60-386,738.40

Finding the Fourth Proportional to 1,228,101.60, 1,842,411.60 and 386,738.40

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Solution

The fourth proportional to 1,228,101.60, 1,842,411.60 and 386,738.40 is: 580,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,101.60 : 1,842,411.60 = 386,738.40 : x
  2. Step 2: Convert to fraction form
    1,228,101.60/1,842,411.60 = 386,738.40/x
  3. Step 3: Cross multiply
    1,228,101.60x = 1,842,411.60 × 386,738.40
  4. Step 4: Simplify right side
    1,228,101.60x = 712,531,314,325.44
  5. Step 5: Solve for x
    x = 712,531,314,325.44/1,228,101.60
  6. Step 6: Final answer
    x = 580,189.22

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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.