Home / 1,225,647.14-1,838,765.95-384,198.89

Finding the Fourth Proportional to 1,225,647.14, 1,838,765.95 and 384,198.89

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Solution

The fourth proportional to 1,225,647.14, 1,838,765.95 and 384,198.89 is: 576,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,647.14 : 1,838,765.95 = 384,198.89 : x
  2. Step 2: Convert to fraction form
    1,225,647.14/1,838,765.95 = 384,198.89/x
  3. Step 3: Cross multiply
    1,225,647.14x = 1,838,765.95 × 384,198.89
  4. Step 4: Simplify right side
    1,225,647.14x = 706,451,826,805.47
  5. Step 5: Solve for x
    x = 706,451,826,805.47/1,225,647.14
  6. Step 6: Final answer
    x = 576,390.88

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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.