Home / 1,180,648.40-1,770,742.20-381,736.40

Finding the Fourth Proportional to 1,180,648.40, 1,770,742.20 and 381,736.40

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Solution

The fourth proportional to 1,180,648.40, 1,770,742.20 and 381,736.40 is: 572,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,648.40 : 1,770,742.20 = 381,736.40 : x
  2. Step 2: Convert to fraction form
    1,180,648.40/1,770,742.20 = 381,736.40/x
  3. Step 3: Cross multiply
    1,180,648.40x = 1,770,742.20 × 381,736.40
  4. Step 4: Simplify right side
    1,180,648.40x = 675,956,752,756.08
  5. Step 5: Solve for x
    x = 675,956,752,756.08/1,180,648.40
  6. Step 6: Final answer
    x = 572,530.11

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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.