Home / 1,520,984.21-2,098,958.23-841,920.71

Finding the Fourth Proportional to 1,520,984.21, 2,098,958.23 and 841,920.71

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Solution

The fourth proportional to 1,520,984.21, 2,098,958.23 and 841,920.71 is: 1,161,850.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,984.21 : 2,098,958.23 = 841,920.71 : x
  2. Step 2: Convert to fraction form
    1,520,984.21/2,098,958.23 = 841,920.71/x
  3. Step 3: Cross multiply
    1,520,984.21x = 2,098,958.23 × 841,920.71
  4. Step 4: Simplify right side
    1,520,984.21x = 1,767,156,390,662.35
  5. Step 5: Solve for x
    x = 1,767,156,390,662.35/1,520,984.21
  6. Step 6: Final answer
    x = 1,161,850.59

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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.