Home / 1,332,045.80-1,992,236.70-1,190,911.40

Finding the Fourth Proportional to 1,332,045.80, 1,992,236.70 and 1,190,911.40

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Solution

The fourth proportional to 1,332,045.80, 1,992,236.70 and 1,190,911.40 is: 1,781,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,045.80 : 1,992,236.70 = 1,190,911.40 : x
  2. Step 2: Convert to fraction form
    1,332,045.80/1,992,236.70 = 1,190,911.40/x
  3. Step 3: Cross multiply
    1,332,045.80x = 1,992,236.70 × 1,190,911.40
  4. Step 4: Simplify right side
    1,332,045.80x = 2,372,577,397,528.38
  5. Step 5: Solve for x
    x = 2,372,577,397,528.38/1,332,045.80
  6. Step 6: Final answer
    x = 1,781,153.02

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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.