Home / 854,327.46-1,178,934.56-467,135.58

Finding the Fourth Proportional to 854,327.46, 1,178,934.56 and 467,135.58

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Solution

The fourth proportional to 854,327.46, 1,178,934.56 and 467,135.58 is: 644,626.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,327.46 : 1,178,934.56 = 467,135.58 : x
  2. Step 2: Convert to fraction form
    854,327.46/1,178,934.56 = 467,135.58/x
  3. Step 3: Cross multiply
    854,327.46x = 1,178,934.56 × 467,135.58
  4. Step 4: Simplify right side
    854,327.46x = 550,722,279,467.65
  5. Step 5: Solve for x
    x = 550,722,279,467.65/854,327.46
  6. Step 6: Final answer
    x = 644,626.69

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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.