Home / 854,437.29-1,179,120.34-481,870.63

Finding the Fourth Proportional to 854,437.29, 1,179,120.34 and 481,870.63

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Solution

The fourth proportional to 854,437.29, 1,179,120.34 and 481,870.63 is: 664,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,437.29 : 1,179,120.34 = 481,870.63 : x
  2. Step 2: Convert to fraction form
    854,437.29/1,179,120.34 = 481,870.63/x
  3. Step 3: Cross multiply
    854,437.29x = 1,179,120.34 × 481,870.63
  4. Step 4: Simplify right side
    854,437.29x = 568,183,461,081.61
  5. Step 5: Solve for x
    x = 568,183,461,081.61/854,437.29
  6. Step 6: Final answer
    x = 664,979.71

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Double scale
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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.