Home / 839,928.30-1,259,892.45-734,952.30

Finding the Fourth Proportional to 839,928.30, 1,259,892.45 and 734,952.30

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Solution

The fourth proportional to 839,928.30, 1,259,892.45 and 734,952.30 is: 1,102,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,928.30 : 1,259,892.45 = 734,952.30 : x
  2. Step 2: Convert to fraction form
    839,928.30/1,259,892.45 = 734,952.30/x
  3. Step 3: Cross multiply
    839,928.30x = 1,259,892.45 × 734,952.30
  4. Step 4: Simplify right side
    839,928.30x = 925,960,853,880.14
  5. Step 5: Solve for x
    x = 925,960,853,880.14/839,928.30
  6. Step 6: Final answer
    x = 1,102,428.45

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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.