Home / 1,135,421.36-1,701,204.10-685,196.16

Finding the Fourth Proportional to 1,135,421.36, 1,701,204.10 and 685,196.16

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Solution

The fourth proportional to 1,135,421.36, 1,701,204.10 and 685,196.16 is: 1,026,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,421.36 : 1,701,204.10 = 685,196.16 : x
  2. Step 2: Convert to fraction form
    1,135,421.36/1,701,204.10 = 685,196.16/x
  3. Step 3: Cross multiply
    1,135,421.36x = 1,701,204.10 × 685,196.16
  4. Step 4: Simplify right side
    1,135,421.36x = 1,165,658,516,696.26
  5. Step 5: Solve for x
    x = 1,165,658,516,696.26/1,135,421.36
  6. Step 6: Final answer
    x = 1,026,630.78

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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.