Home / 1,286,767.65-1,928,896.34-612,667.83

Finding the Fourth Proportional to 1,286,767.65, 1,928,896.34 and 612,667.83

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Solution

The fourth proportional to 1,286,767.65, 1,928,896.34 and 612,667.83 is: 918,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,767.65 : 1,928,896.34 = 612,667.83 : x
  2. Step 2: Convert to fraction form
    1,286,767.65/1,928,896.34 = 612,667.83/x
  3. Step 3: Cross multiply
    1,286,767.65x = 1,928,896.34 × 612,667.83
  4. Step 4: Simplify right side
    1,286,767.65x = 1,181,772,739,092.76
  5. Step 5: Solve for x
    x = 1,181,772,739,092.76/1,286,767.65
  6. Step 6: Final answer
    x = 918,404.14

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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.