Home / 613,919.90-847,234.98-341,987.72

Finding the Fourth Proportional to 613,919.90, 847,234.98 and 341,987.72

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Solution

The fourth proportional to 613,919.90, 847,234.98 and 341,987.72 is: 471,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,919.90 : 847,234.98 = 341,987.72 : x
  2. Step 2: Convert to fraction form
    613,919.90/847,234.98 = 341,987.72/x
  3. Step 3: Cross multiply
    613,919.90x = 847,234.98 × 341,987.72
  4. Step 4: Simplify right side
    613,919.90x = 289,743,953,168.33
  5. Step 5: Solve for x
    x = 289,743,953,168.33/613,919.90
  6. Step 6: Final answer
    x = 471,957.26

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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.