Home / 839,295.20-1,259,314.88-439,841

Finding the Fourth Proportional to 839,295.20, 1,259,314.88 and 439,841

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Solution

The fourth proportional to 839,295.20, 1,259,314.88 and 439,841 is: 659,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,295.20 : 1,259,314.88 = 439,841 : x
  2. Step 2: Convert to fraction form
    839,295.20/1,259,314.88 = 439,841/x
  3. Step 3: Cross multiply
    839,295.20x = 1,259,314.88 × 439,841
  4. Step 4: Simplify right side
    839,295.20x = 553,898,316,134.08
  5. Step 5: Solve for x
    x = 553,898,316,134.08/839,295.20
  6. Step 6: Final answer
    x = 659,956.49

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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.