Home / 1,923,676.40-2,884,834.20-661,210.40

Finding the Fourth Proportional to 1,923,676.40, 2,884,834.20 and 661,210.40

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Solution

The fourth proportional to 1,923,676.40, 2,884,834.20 and 661,210.40 is: 991,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,676.40 : 2,884,834.20 = 661,210.40 : x
  2. Step 2: Convert to fraction form
    1,923,676.40/2,884,834.20 = 661,210.40/x
  3. Step 3: Cross multiply
    1,923,676.40x = 2,884,834.20 × 661,210.40
  4. Step 4: Simplify right side
    1,923,676.40x = 1,907,482,375,315.68
  5. Step 5: Solve for x
    x = 1,907,482,375,315.68/1,923,676.40
  6. Step 6: Final answer
    x = 991,581.73

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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.