Home / 1,409,251.80-2,113,765.38-398,332.92

Finding the Fourth Proportional to 1,409,251.80, 2,113,765.38 and 398,332.92

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Solution

The fourth proportional to 1,409,251.80, 2,113,765.38 and 398,332.92 is: 597,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,251.80 : 2,113,765.38 = 398,332.92 : x
  2. Step 2: Convert to fraction form
    1,409,251.80/2,113,765.38 = 398,332.92/x
  3. Step 3: Cross multiply
    1,409,251.80x = 2,113,765.38 × 398,332.92
  4. Step 4: Simplify right side
    1,409,251.80x = 841,982,336,010.31
  5. Step 5: Solve for x
    x = 841,982,336,010.31/1,409,251.80
  6. Step 6: Final answer
    x = 597,467.63

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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.