Home / 792,905.13-1,189,347.05-193,871.45

Finding the Fourth Proportional to 792,905.13, 1,189,347.05 and 193,871.45

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Solution

The fourth proportional to 792,905.13, 1,189,347.05 and 193,871.45 is: 290,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,905.13 : 1,189,347.05 = 193,871.45 : x
  2. Step 2: Convert to fraction form
    792,905.13/1,189,347.05 = 193,871.45/x
  3. Step 3: Cross multiply
    792,905.13x = 1,189,347.05 × 193,871.45
  4. Step 4: Simplify right side
    792,905.13x = 230,580,430,220.63
  5. Step 5: Solve for x
    x = 230,580,430,220.63/792,905.13
  6. Step 6: Final answer
    x = 290,804.56

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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.