Home / 1,288,070.70-1,941,364.56-1,110,301.77

Finding the Fourth Proportional to 1,288,070.70, 1,941,364.56 and 1,110,301.77

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Solution

The fourth proportional to 1,288,070.70, 1,941,364.56 and 1,110,301.77 is: 1,673,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,070.70 : 1,941,364.56 = 1,110,301.77 : x
  2. Step 2: Convert to fraction form
    1,288,070.70/1,941,364.56 = 1,110,301.77/x
  3. Step 3: Cross multiply
    1,288,070.70x = 1,941,364.56 × 1,110,301.77
  4. Step 4: Simplify right side
    1,288,070.70x = 2,155,500,507,183.27
  5. Step 5: Solve for x
    x = 2,155,500,507,183.27/1,288,070.70
  6. Step 6: Final answer
    x = 1,673,433.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.