Home / 1,186,799.42-1,638,721.86-1,096,119.11

Finding the Fourth Proportional to 1,186,799.42, 1,638,721.86 and 1,096,119.11

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Solution

The fourth proportional to 1,186,799.42, 1,638,721.86 and 1,096,119.11 is: 1,513,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,799.42 : 1,638,721.86 = 1,096,119.11 : x
  2. Step 2: Convert to fraction form
    1,186,799.42/1,638,721.86 = 1,096,119.11/x
  3. Step 3: Cross multiply
    1,186,799.42x = 1,638,721.86 × 1,096,119.11
  4. Step 4: Simplify right side
    1,186,799.42x = 1,796,234,346,720.75
  5. Step 5: Solve for x
    x = 1,796,234,346,720.75/1,186,799.42
  6. Step 6: Final answer
    x = 1,513,511.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.