Home / 436,445.40-654,668.10-187,613.40

Finding the Fourth Proportional to 436,445.40, 654,668.10 and 187,613.40

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Solution

The fourth proportional to 436,445.40, 654,668.10 and 187,613.40 is: 281,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,445.40 : 654,668.10 = 187,613.40 : x
  2. Step 2: Convert to fraction form
    436,445.40/654,668.10 = 187,613.40/x
  3. Step 3: Cross multiply
    436,445.40x = 654,668.10 × 187,613.40
  4. Step 4: Simplify right side
    436,445.40x = 122,824,508,112.54
  5. Step 5: Solve for x
    x = 122,824,508,112.54/436,445.40
  6. Step 6: Final answer
    x = 281,420.10

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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.