Home / 683,577.63-943,308.40-393,167.26

Finding the Fourth Proportional to 683,577.63, 943,308.40 and 393,167.26

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Solution

The fourth proportional to 683,577.63, 943,308.40 and 393,167.26 is: 542,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,577.63 : 943,308.40 = 393,167.26 : x
  2. Step 2: Convert to fraction form
    683,577.63/943,308.40 = 393,167.26/x
  3. Step 3: Cross multiply
    683,577.63x = 943,308.40 × 393,167.26
  4. Step 4: Simplify right side
    683,577.63x = 370,877,976,997.15
  5. Step 5: Solve for x
    x = 370,877,976,997.15/683,577.63
  6. Step 6: Final answer
    x = 542,554.30

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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.