Home / 1,288,177.16-1,774,760.28-996,786.86

Finding the Fourth Proportional to 1,288,177.16, 1,774,760.28 and 996,786.86

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Solution

The fourth proportional to 1,288,177.16, 1,774,760.28 and 996,786.86 is: 1,373,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,177.16 : 1,774,760.28 = 996,786.86 : x
  2. Step 2: Convert to fraction form
    1,288,177.16/1,774,760.28 = 996,786.86/x
  3. Step 3: Cross multiply
    1,288,177.16x = 1,774,760.28 × 996,786.86
  4. Step 4: Simplify right side
    1,288,177.16x = 1,769,057,726,753.92
  5. Step 5: Solve for x
    x = 1,769,057,726,753.92/1,288,177.16
  6. Step 6: Final answer
    x = 1,373,303.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.