Home / 1,225,646.89-1,838,765.57-384,198.64

Finding the Fourth Proportional to 1,225,646.89, 1,838,765.57 and 384,198.64

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Solution

The fourth proportional to 1,225,646.89, 1,838,765.57 and 384,198.64 is: 576,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,646.89 : 1,838,765.57 = 384,198.64 : x
  2. Step 2: Convert to fraction form
    1,225,646.89/1,838,765.57 = 384,198.64/x
  3. Step 3: Cross multiply
    1,225,646.89x = 1,838,765.57 × 384,198.64
  4. Step 4: Simplify right side
    1,225,646.89x = 706,451,231,272.83
  5. Step 5: Solve for x
    x = 706,451,231,272.83/1,225,646.89
  6. Step 6: Final answer
    x = 576,390.51

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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.