Home / 986,595.54-1,479,934.62-312,662.04

Finding the Fourth Proportional to 986,595.54, 1,479,934.62 and 312,662.04

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Solution

The fourth proportional to 986,595.54, 1,479,934.62 and 312,662.04 is: 469,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,595.54 : 1,479,934.62 = 312,662.04 : x
  2. Step 2: Convert to fraction form
    986,595.54/1,479,934.62 = 312,662.04/x
  3. Step 3: Cross multiply
    986,595.54x = 1,479,934.62 × 312,662.04
  4. Step 4: Simplify right side
    986,595.54x = 462,719,377,355.83
  5. Step 5: Solve for x
    x = 462,719,377,355.83/986,595.54
  6. Step 6: Final answer
    x = 469,006.15

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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.