Home / 1,185,641.70-1,778,745.44-386,924.73

Finding the Fourth Proportional to 1,185,641.70, 1,778,745.44 and 386,924.73

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Solution

The fourth proportional to 1,185,641.70, 1,778,745.44 and 386,924.73 is: 580,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,641.70 : 1,778,745.44 = 386,924.73 : x
  2. Step 2: Convert to fraction form
    1,185,641.70/1,778,745.44 = 386,924.73/x
  3. Step 3: Cross multiply
    1,185,641.70x = 1,778,745.44 × 386,924.73
  4. Step 4: Simplify right side
    1,185,641.70x = 688,240,599,110.73
  5. Step 5: Solve for x
    x = 688,240,599,110.73/1,185,641.70
  6. Step 6: Final answer
    x = 580,479.41

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1.5x scale

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.