Home / 1,883,815.20-2,825,327.52-621,347.04

Finding the Fourth Proportional to 1,883,815.20, 2,825,327.52 and 621,347.04

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Solution

The fourth proportional to 1,883,815.20, 2,825,327.52 and 621,347.04 is: 931,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883,815.20 : 2,825,327.52 = 621,347.04 : x
  2. Step 2: Convert to fraction form
    1,883,815.20/2,825,327.52 = 621,347.04/x
  3. Step 3: Cross multiply
    1,883,815.20x = 2,825,327.52 × 621,347.04
  4. Step 4: Simplify right side
    1,883,815.20x = 1,755,508,891,582.54
  5. Step 5: Solve for x
    x = 1,755,508,891,582.54/1,883,815.20
  6. Step 6: Final answer
    x = 931,890.18

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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.