Home / 790,186.96-1,090,457.97-427,610.81

Finding the Fourth Proportional to 790,186.96, 1,090,457.97 and 427,610.81

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Solution

The fourth proportional to 790,186.96, 1,090,457.97 and 427,610.81 is: 590,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,186.96 : 1,090,457.97 = 427,610.81 : x
  2. Step 2: Convert to fraction form
    790,186.96/1,090,457.97 = 427,610.81/x
  3. Step 3: Cross multiply
    790,186.96x = 1,090,457.97 × 427,610.81
  4. Step 4: Simplify right side
    790,186.96x = 466,291,615,822.66
  5. Step 5: Solve for x
    x = 466,291,615,822.66/790,186.96
  6. Step 6: Final answer
    x = 590,102.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.