Home / 1,383,275.81-2,074,911.87-372,398.87

Finding the Fourth Proportional to 1,383,275.81, 2,074,911.87 and 372,398.87

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Solution

The fourth proportional to 1,383,275.81, 2,074,911.87 and 372,398.87 is: 558,597.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,275.81 : 2,074,911.87 = 372,398.87 : x
  2. Step 2: Convert to fraction form
    1,383,275.81/2,074,911.87 = 372,398.87/x
  3. Step 3: Cross multiply
    1,383,275.81x = 2,074,911.87 × 372,398.87
  4. Step 4: Simplify right side
    1,383,275.81x = 772,694,840,924.87
  5. Step 5: Solve for x
    x = 772,694,840,924.87/1,383,275.81
  6. Step 6: Final answer
    x = 558,597.81

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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.