Home / 1,398,216.19-2,096,983.48-387,311.89

Finding the Fourth Proportional to 1,398,216.19, 2,096,983.48 and 387,311.89

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Solution

The fourth proportional to 1,398,216.19, 2,096,983.48 and 387,311.89 is: 580,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,216.19 : 2,096,983.48 = 387,311.89 : x
  2. Step 2: Convert to fraction form
    1,398,216.19/2,096,983.48 = 387,311.89/x
  3. Step 3: Cross multiply
    1,398,216.19x = 2,096,983.48 × 387,311.89
  4. Step 4: Simplify right side
    1,398,216.19x = 812,186,634,937.58
  5. Step 5: Solve for x
    x = 812,186,634,937.58/1,398,216.19
  6. Step 6: Final answer
    x = 580,873.43

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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.