Home / 1,186,103.20-1,775,007.60-1,086,570.40

Finding the Fourth Proportional to 1,186,103.20, 1,775,007.60 and 1,086,570.40

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Solution

The fourth proportional to 1,186,103.20, 1,775,007.60 and 1,086,570.40 is: 1,626,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,103.20 : 1,775,007.60 = 1,086,570.40 : x
  2. Step 2: Convert to fraction form
    1,186,103.20/1,775,007.60 = 1,086,570.40/x
  3. Step 3: Cross multiply
    1,186,103.20x = 1,775,007.60 × 1,086,570.40
  4. Step 4: Simplify right side
    1,186,103.20x = 1,928,670,717,935.04
  5. Step 5: Solve for x
    x = 1,928,670,717,935.04/1,186,103.20
  6. Step 6: Final answer
    x = 1,626,056.42

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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.