Home / 1,185,532.98-1,778,484.66-386,628.72

Finding the Fourth Proportional to 1,185,532.98, 1,778,484.66 and 386,628.72

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Solution

The fourth proportional to 1,185,532.98, 1,778,484.66 and 386,628.72 is: 580,003.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,532.98 : 1,778,484.66 = 386,628.72 : x
  2. Step 2: Convert to fraction form
    1,185,532.98/1,778,484.66 = 386,628.72/x
  3. Step 3: Cross multiply
    1,185,532.98x = 1,778,484.66 × 386,628.72
  4. Step 4: Simplify right side
    1,185,532.98x = 687,613,247,635.44
  5. Step 5: Solve for x
    x = 687,613,247,635.44/1,185,532.98
  6. Step 6: Final answer
    x = 580,003.47

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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.