Home / 693,788.14-1,040,666.01-319,811.14

Finding the Fourth Proportional to 693,788.14, 1,040,666.01 and 319,811.14

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Solution

The fourth proportional to 693,788.14, 1,040,666.01 and 319,811.14 is: 479,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,788.14 : 1,040,666.01 = 319,811.14 : x
  2. Step 2: Convert to fraction form
    693,788.14/1,040,666.01 = 319,811.14/x
  3. Step 3: Cross multiply
    693,788.14x = 1,040,666.01 × 319,811.14
  4. Step 4: Simplify right side
    693,788.14x = 332,816,583,017.35
  5. Step 5: Solve for x
    x = 332,816,583,017.35/693,788.14
  6. Step 6: Final answer
    x = 479,709.24

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1.5x scale

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.