Home / 1,221,610.32-1,832,532.12-379,936.08

Finding the Fourth Proportional to 1,221,610.32, 1,832,532.12 and 379,936.08

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Solution

The fourth proportional to 1,221,610.32, 1,832,532.12 and 379,936.08 is: 569,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,610.32 : 1,832,532.12 = 379,936.08 : x
  2. Step 2: Convert to fraction form
    1,221,610.32/1,832,532.12 = 379,936.08/x
  3. Step 3: Cross multiply
    1,221,610.32x = 1,832,532.12 × 379,936.08
  4. Step 4: Simplify right side
    1,221,610.32x = 696,245,070,146.89
  5. Step 5: Solve for x
    x = 696,245,070,146.89/1,221,610.32
  6. Step 6: Final answer
    x = 569,940.40

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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.