Home / 1,717,667.40-2,576,589.78-438,286.08

Finding the Fourth Proportional to 1,717,667.40, 2,576,589.78 and 438,286.08

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Solution

The fourth proportional to 1,717,667.40, 2,576,589.78 and 438,286.08 is: 657,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717,667.40 : 2,576,589.78 = 438,286.08 : x
  2. Step 2: Convert to fraction form
    1,717,667.40/2,576,589.78 = 438,286.08/x
  3. Step 3: Cross multiply
    1,717,667.40x = 2,576,589.78 × 438,286.08
  4. Step 4: Simplify right side
    1,717,667.40x = 1,129,283,434,444.26
  5. Step 5: Solve for x
    x = 1,129,283,434,444.26/1,717,667.40
  6. Step 6: Final answer
    x = 657,451.75

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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.