Home / 461,985.12-637,549.92-271,136.16

Finding the Fourth Proportional to 461,985.12, 637,549.92 and 271,136.16

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Solution

The fourth proportional to 461,985.12, 637,549.92 and 271,136.16 is: 374,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,985.12 : 637,549.92 = 271,136.16 : x
  2. Step 2: Convert to fraction form
    461,985.12/637,549.92 = 271,136.16/x
  3. Step 3: Cross multiply
    461,985.12x = 637,549.92 × 271,136.16
  4. Step 4: Simplify right side
    461,985.12x = 172,862,837,117.11
  5. Step 5: Solve for x
    x = 172,862,837,117.11/461,985.12
  6. Step 6: Final answer
    x = 374,174.04

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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.