Home / 623,042.15-936,514.04-411,171.58

Finding the Fourth Proportional to 623,042.15, 936,514.04 and 411,171.58

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Solution

The fourth proportional to 623,042.15, 936,514.04 and 411,171.58 is: 618,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,042.15 : 936,514.04 = 411,171.58 : x
  2. Step 2: Convert to fraction form
    623,042.15/936,514.04 = 411,171.58/x
  3. Step 3: Cross multiply
    623,042.15x = 936,514.04 × 411,171.58
  4. Step 4: Simplify right side
    623,042.15x = 385,067,957,518.98
  5. Step 5: Solve for x
    x = 385,067,957,518.98/623,042.15
  6. Step 6: Final answer
    x = 618,044.79

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1.5x scale

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.