Home / 839,359.80-1,259,039.70-573,639.30

Finding the Fourth Proportional to 839,359.80, 1,259,039.70 and 573,639.30

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Solution

The fourth proportional to 839,359.80, 1,259,039.70 and 573,639.30 is: 860,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,359.80 : 1,259,039.70 = 573,639.30 : x
  2. Step 2: Convert to fraction form
    839,359.80/1,259,039.70 = 573,639.30/x
  3. Step 3: Cross multiply
    839,359.80x = 1,259,039.70 × 573,639.30
  4. Step 4: Simplify right side
    839,359.80x = 722,234,652,180.21
  5. Step 5: Solve for x
    x = 722,234,652,180.21/839,359.80
  6. Step 6: Final answer
    x = 860,458.95

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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.