Home / 1,680,589.86-2,520,999.66-482,420.04

Finding the Fourth Proportional to 1,680,589.86, 2,520,999.66 and 482,420.04

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Solution

The fourth proportional to 1,680,589.86, 2,520,999.66 and 482,420.04 is: 723,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,589.86 : 2,520,999.66 = 482,420.04 : x
  2. Step 2: Convert to fraction form
    1,680,589.86/2,520,999.66 = 482,420.04/x
  3. Step 3: Cross multiply
    1,680,589.86x = 2,520,999.66 × 482,420.04
  4. Step 4: Simplify right side
    1,680,589.86x = 1,216,180,756,817.19
  5. Step 5: Solve for x
    x = 1,216,180,756,817.19/1,680,589.86
  6. Step 6: Final answer
    x = 723,663.03

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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.