Home / 1,175,412.80-1,766,877.60-1,092,209.60

Finding the Fourth Proportional to 1,175,412.80, 1,766,877.60 and 1,092,209.60

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Solution

The fourth proportional to 1,175,412.80, 1,766,877.60 and 1,092,209.60 is: 1,641,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,412.80 : 1,766,877.60 = 1,092,209.60 : x
  2. Step 2: Convert to fraction form
    1,175,412.80/1,766,877.60 = 1,092,209.60/x
  3. Step 3: Cross multiply
    1,175,412.80x = 1,766,877.60 × 1,092,209.60
  4. Step 4: Simplify right side
    1,175,412.80x = 1,929,800,676,744.96
  5. Step 5: Solve for x
    x = 1,929,800,676,744.96/1,175,412.80
  6. Step 6: Final answer
    x = 1,641,806.76

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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.