Home / 1,065,286.80-1,597,930.20-785,350.80

Finding the Fourth Proportional to 1,065,286.80, 1,597,930.20 and 785,350.80

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Solution

The fourth proportional to 1,065,286.80, 1,597,930.20 and 785,350.80 is: 1,178,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,286.80 : 1,597,930.20 = 785,350.80 : x
  2. Step 2: Convert to fraction form
    1,065,286.80/1,597,930.20 = 785,350.80/x
  3. Step 3: Cross multiply
    1,065,286.80x = 1,597,930.20 × 785,350.80
  4. Step 4: Simplify right side
    1,065,286.80x = 1,254,935,760,914.16
  5. Step 5: Solve for x
    x = 1,254,935,760,914.16/1,065,286.80
  6. Step 6: Final answer
    x = 1,178,026.20

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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.