Home / 1,238,294.21-1,857,316.91-339,826.41

Finding the Fourth Proportional to 1,238,294.21, 1,857,316.91 and 339,826.41

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Solution

The fourth proportional to 1,238,294.21, 1,857,316.91 and 339,826.41 is: 509,705.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,294.21 : 1,857,316.91 = 339,826.41 : x
  2. Step 2: Convert to fraction form
    1,238,294.21/1,857,316.91 = 339,826.41/x
  3. Step 3: Cross multiply
    1,238,294.21x = 1,857,316.91 × 339,826.41
  4. Step 4: Simplify right side
    1,238,294.21x = 631,165,336,058.46
  5. Step 5: Solve for x
    x = 631,165,336,058.46/1,238,294.21
  6. Step 6: Final answer
    x = 509,705.48

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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.