Home / 1,185,750.66-1,778,359.78-545,439.43

Finding the Fourth Proportional to 1,185,750.66, 1,778,359.78 and 545,439.43

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Solution

The fourth proportional to 1,185,750.66, 1,778,359.78 and 545,439.43 is: 818,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,750.66 : 1,778,359.78 = 545,439.43 : x
  2. Step 2: Convert to fraction form
    1,185,750.66/1,778,359.78 = 545,439.43/x
  3. Step 3: Cross multiply
    1,185,750.66x = 1,778,359.78 × 545,439.43
  4. Step 4: Simplify right side
    1,185,750.66x = 969,987,544,738.13
  5. Step 5: Solve for x
    x = 969,987,544,738.13/1,185,750.66
  6. Step 6: Final answer
    x = 818,036.69

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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.