Home / 1,090,124.55-1,635,186.83-853,669.35

Finding the Fourth Proportional to 1,090,124.55, 1,635,186.83 and 853,669.35

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Solution

The fourth proportional to 1,090,124.55, 1,635,186.83 and 853,669.35 is: 1,280,504.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,124.55 : 1,635,186.83 = 853,669.35 : x
  2. Step 2: Convert to fraction form
    1,090,124.55/1,635,186.83 = 853,669.35/x
  3. Step 3: Cross multiply
    1,090,124.55x = 1,635,186.83 × 853,669.35
  4. Step 4: Simplify right side
    1,090,124.55x = 1,395,908,874,026.31
  5. Step 5: Solve for x
    x = 1,395,908,874,026.31/1,090,124.55
  6. Step 6: Final answer
    x = 1,280,504.03

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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.