Home / 839,296.20-1,259,316.42-439,842

Finding the Fourth Proportional to 839,296.20, 1,259,316.42 and 439,842

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Solution

The fourth proportional to 839,296.20, 1,259,316.42 and 439,842 is: 659,958.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,296.20 : 1,259,316.42 = 439,842 : x
  2. Step 2: Convert to fraction form
    839,296.20/1,259,316.42 = 439,842/x
  3. Step 3: Cross multiply
    839,296.20x = 1,259,316.42 × 439,842
  4. Step 4: Simplify right side
    839,296.20x = 553,900,252,805.64
  5. Step 5: Solve for x
    x = 553,900,252,805.64/839,296.20
  6. Step 6: Final answer
    x = 659,958.01

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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.