Home / 1,238,241.62-1,857,362.84-817,419.08

Finding the Fourth Proportional to 1,238,241.62, 1,857,362.84 and 817,419.08

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Solution

The fourth proportional to 1,238,241.62, 1,857,362.84 and 817,419.08 is: 1,226,128.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,241.62 : 1,857,362.84 = 817,419.08 : x
  2. Step 2: Convert to fraction form
    1,238,241.62/1,857,362.84 = 817,419.08/x
  3. Step 3: Cross multiply
    1,238,241.62x = 1,857,362.84 × 817,419.08
  4. Step 4: Simplify right side
    1,238,241.62x = 1,518,243,819,811.89
  5. Step 5: Solve for x
    x = 1,518,243,819,811.89/1,238,241.62
  6. Step 6: Final answer
    x = 1,226,128.89

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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.