Home / 1,275,776.24-1,913,667.06-1,197,831.56

Finding the Fourth Proportional to 1,275,776.24, 1,913,667.06 and 1,197,831.56

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Solution

The fourth proportional to 1,275,776.24, 1,913,667.06 and 1,197,831.56 is: 1,796,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,776.24 : 1,913,667.06 = 1,197,831.56 : x
  2. Step 2: Convert to fraction form
    1,275,776.24/1,913,667.06 = 1,197,831.56/x
  3. Step 3: Cross multiply
    1,275,776.24x = 1,913,667.06 × 1,197,831.56
  4. Step 4: Simplify right side
    1,275,776.24x = 2,292,250,799,800.41
  5. Step 5: Solve for x
    x = 2,292,250,799,800.41/1,275,776.24
  6. Step 6: Final answer
    x = 1,796,749.88

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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.