Home / 453,176.32-679,367.04-172,506.88

Finding the Fourth Proportional to 453,176.32, 679,367.04 and 172,506.88

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Solution

The fourth proportional to 453,176.32, 679,367.04 and 172,506.88 is: 258,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,176.32 : 679,367.04 = 172,506.88 : x
  2. Step 2: Convert to fraction form
    453,176.32/679,367.04 = 172,506.88/x
  3. Step 3: Cross multiply
    453,176.32x = 679,367.04 × 172,506.88
  4. Step 4: Simplify right side
    453,176.32x = 117,195,488,445.24
  5. Step 5: Solve for x
    x = 117,195,488,445.24/453,176.32
  6. Step 6: Final answer
    x = 258,609.03

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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.