Home / 347,837.90-476,419.73-327,411.32

Finding the Fourth Proportional to 347,837.90, 476,419.73 and 327,411.32

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Solution

The fourth proportional to 347,837.90, 476,419.73 and 327,411.32 is: 448,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,837.90 : 476,419.73 = 327,411.32 : x
  2. Step 2: Convert to fraction form
    347,837.90/476,419.73 = 327,411.32/x
  3. Step 3: Cross multiply
    347,837.90x = 476,419.73 × 327,411.32
  4. Step 4: Simplify right side
    347,837.90x = 155,985,208,654.19
  5. Step 5: Solve for x
    x = 155,985,208,654.19/347,837.90
  6. Step 6: Final answer
    x = 448,442.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.