Home / 1,712,000.80-2,568,001.20-1,214,336.80

Finding the Fourth Proportional to 1,712,000.80, 2,568,001.20 and 1,214,336.80

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Solution

The fourth proportional to 1,712,000.80, 2,568,001.20 and 1,214,336.80 is: 1,821,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,000.80 : 2,568,001.20 = 1,214,336.80 : x
  2. Step 2: Convert to fraction form
    1,712,000.80/2,568,001.20 = 1,214,336.80/x
  3. Step 3: Cross multiply
    1,712,000.80x = 2,568,001.20 × 1,214,336.80
  4. Step 4: Simplify right side
    1,712,000.80x = 3,118,418,359,604.16
  5. Step 5: Solve for x
    x = 3,118,418,359,604.16/1,712,000.80
  6. Step 6: Final answer
    x = 1,821,505.20

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Similar ratio
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1.5x scale

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.