Home / 1,694,655.60-2,540,687.40-853,810.80

Finding the Fourth Proportional to 1,694,655.60, 2,540,687.40 and 853,810.80

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Solution

The fourth proportional to 1,694,655.60, 2,540,687.40 and 853,810.80 is: 1,280,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,655.60 : 2,540,687.40 = 853,810.80 : x
  2. Step 2: Convert to fraction form
    1,694,655.60/2,540,687.40 = 853,810.80/x
  3. Step 3: Cross multiply
    1,694,655.60x = 2,540,687.40 × 853,810.80
  4. Step 4: Simplify right side
    1,694,655.60x = 2,169,266,341,543.92
  5. Step 5: Solve for x
    x = 2,169,266,341,543.92/1,694,655.60
  6. Step 6: Final answer
    x = 1,280,063.24

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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.