Home / 1,185,671.88-1,778,790.78-386,954.92

Finding the Fourth Proportional to 1,185,671.88, 1,778,790.78 and 386,954.92

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Solution

The fourth proportional to 1,185,671.88, 1,778,790.78 and 386,954.92 is: 580,524.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,671.88 : 1,778,790.78 = 386,954.92 : x
  2. Step 2: Convert to fraction form
    1,185,671.88/1,778,790.78 = 386,954.92/x
  3. Step 3: Cross multiply
    1,185,671.88x = 1,778,790.78 × 386,954.92
  4. Step 4: Simplify right side
    1,185,671.88x = 688,311,843,971.64
  5. Step 5: Solve for x
    x = 688,311,843,971.64/1,185,671.88
  6. Step 6: Final answer
    x = 580,524.73

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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.