Home / 1,238,473.81-1,857,712.33-339,927.85

Finding the Fourth Proportional to 1,238,473.81, 1,857,712.33 and 339,927.85

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Solution

The fourth proportional to 1,238,473.81, 1,857,712.33 and 339,927.85 is: 509,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,473.81 : 1,857,712.33 = 339,927.85 : x
  2. Step 2: Convert to fraction form
    1,238,473.81/1,857,712.33 = 339,927.85/x
  3. Step 3: Cross multiply
    1,238,473.81x = 1,857,712.33 × 339,927.85
  4. Step 4: Simplify right side
    1,238,473.81x = 631,488,148,117.01
  5. Step 5: Solve for x
    x = 631,488,148,117.01/1,238,473.81
  6. Step 6: Final answer
    x = 509,892.21

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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.