Home / 1,133,986.72-1,701,394.80-386,108.32

Finding the Fourth Proportional to 1,133,986.72, 1,701,394.80 and 386,108.32

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Solution

The fourth proportional to 1,133,986.72, 1,701,394.80 and 386,108.32 is: 579,303.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,986.72 : 1,701,394.80 = 386,108.32 : x
  2. Step 2: Convert to fraction form
    1,133,986.72/1,701,394.80 = 386,108.32/x
  3. Step 3: Cross multiply
    1,133,986.72x = 1,701,394.80 × 386,108.32
  4. Step 4: Simplify right side
    1,133,986.72x = 656,922,687,884.74
  5. Step 5: Solve for x
    x = 656,922,687,884.74/1,133,986.72
  6. Step 6: Final answer
    x = 579,303.69

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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.