Home / 643,587.99-965,538.06-194,282.01

Finding the Fourth Proportional to 643,587.99, 965,538.06 and 194,282.01

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Solution

The fourth proportional to 643,587.99, 965,538.06 and 194,282.01 is: 291,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,587.99 : 965,538.06 = 194,282.01 : x
  2. Step 2: Convert to fraction form
    643,587.99/965,538.06 = 194,282.01/x
  3. Step 3: Cross multiply
    643,587.99x = 965,538.06 × 194,282.01
  4. Step 4: Simplify right side
    643,587.99x = 187,586,675,028.30
  5. Step 5: Solve for x
    x = 187,586,675,028.30/643,587.99
  6. Step 6: Final answer
    x = 291,470.13

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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.