Home / 612,144.14-844,516.53-353,973.65

Finding the Fourth Proportional to 612,144.14, 844,516.53 and 353,973.65

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Solution

The fourth proportional to 612,144.14, 844,516.53 and 353,973.65 is: 488,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,144.14 : 844,516.53 = 353,973.65 : x
  2. Step 2: Convert to fraction form
    612,144.14/844,516.53 = 353,973.65/x
  3. Step 3: Cross multiply
    612,144.14x = 844,516.53 × 353,973.65
  4. Step 4: Simplify right side
    612,144.14x = 298,936,594,386.85
  5. Step 5: Solve for x
    x = 298,936,594,386.85/612,144.14
  6. Step 6: Final answer
    x = 488,343.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.