Home / 393,027-541,991.95-249,537.93

Finding the Fourth Proportional to 393,027, 541,991.95 and 249,537.93

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Solution

The fourth proportional to 393,027, 541,991.95 and 249,537.93 is: 344,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,027 : 541,991.95 = 249,537.93 : x
  2. Step 2: Convert to fraction form
    393,027/541,991.95 = 249,537.93/x
  3. Step 3: Cross multiply
    393,027x = 541,991.95 × 249,537.93
  4. Step 4: Simplify right side
    393,027x = 135,247,549,279.66
  5. Step 5: Solve for x
    x = 135,247,549,279.66/393,027
  6. Step 6: Final answer
    x = 344,117.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.