Home / 1,185,533.98-1,778,486.16-386,629.72

Finding the Fourth Proportional to 1,185,533.98, 1,778,486.16 and 386,629.72

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Solution

The fourth proportional to 1,185,533.98, 1,778,486.16 and 386,629.72 is: 580,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,533.98 : 1,778,486.16 = 386,629.72 : x
  2. Step 2: Convert to fraction form
    1,185,533.98/1,778,486.16 = 386,629.72/x
  3. Step 3: Cross multiply
    1,185,533.98x = 1,778,486.16 × 386,629.72
  4. Step 4: Simplify right side
    1,185,533.98x = 687,615,606,064.68
  5. Step 5: Solve for x
    x = 687,615,606,064.68/1,185,533.98
  6. Step 6: Final answer
    x = 580,004.97

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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.