Home / 572,102.40-857,389.32-301,679.04

Finding the Fourth Proportional to 572,102.40, 857,389.32 and 301,679.04

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Solution

The fourth proportional to 572,102.40, 857,389.32 and 301,679.04 is: 452,115.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,102.40 : 857,389.32 = 301,679.04 : x
  2. Step 2: Convert to fraction form
    572,102.40/857,389.32 = 301,679.04/x
  3. Step 3: Cross multiply
    572,102.40x = 857,389.32 × 301,679.04
  4. Step 4: Simplify right side
    572,102.40x = 258,656,386,963.85
  5. Step 5: Solve for x
    x = 258,656,386,963.85/572,102.40
  6. Step 6: Final answer
    x = 452,115.54

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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.