Home / 1,245,235.80-1,867,853.70-1,133,042.70

Finding the Fourth Proportional to 1,245,235.80, 1,867,853.70 and 1,133,042.70

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Solution

The fourth proportional to 1,245,235.80, 1,867,853.70 and 1,133,042.70 is: 1,699,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,235.80 : 1,867,853.70 = 1,133,042.70 : x
  2. Step 2: Convert to fraction form
    1,245,235.80/1,867,853.70 = 1,133,042.70/x
  3. Step 3: Cross multiply
    1,245,235.80x = 1,867,853.70 × 1,133,042.70
  4. Step 4: Simplify right side
    1,245,235.80x = 2,116,357,999,452.99
  5. Step 5: Solve for x
    x = 2,116,357,999,452.99/1,245,235.80
  6. Step 6: Final answer
    x = 1,699,564.05

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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.