Home / 1,316,667.62-1,975,069.74-418,179.68

Finding the Fourth Proportional to 1,316,667.62, 1,975,069.74 and 418,179.68

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Solution

The fourth proportional to 1,316,667.62, 1,975,069.74 and 418,179.68 is: 627,291.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,667.62 : 1,975,069.74 = 418,179.68 : x
  2. Step 2: Convert to fraction form
    1,316,667.62/1,975,069.74 = 418,179.68/x
  3. Step 3: Cross multiply
    1,316,667.62x = 1,975,069.74 × 418,179.68
  4. Step 4: Simplify right side
    1,316,667.62x = 825,934,031,850.88
  5. Step 5: Solve for x
    x = 825,934,031,850.88/1,316,667.62
  6. Step 6: Final answer
    x = 627,291.22

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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.