Home / 452,664.16-679,193.04-172,261.60

Finding the Fourth Proportional to 452,664.16, 679,193.04 and 172,261.60

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Solution

The fourth proportional to 452,664.16, 679,193.04 and 172,261.60 is: 258,467.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,664.16 : 679,193.04 = 172,261.60 : x
  2. Step 2: Convert to fraction form
    452,664.16/679,193.04 = 172,261.60/x
  3. Step 3: Cross multiply
    452,664.16x = 679,193.04 × 172,261.60
  4. Step 4: Simplify right side
    452,664.16x = 116,998,879,779.26
  5. Step 5: Solve for x
    x = 116,998,879,779.26/452,664.16
  6. Step 6: Final answer
    x = 258,467.29

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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.