Home / 845,320.10-1,166,661.36-523,133.96

Finding the Fourth Proportional to 845,320.10, 1,166,661.36 and 523,133.96

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Solution

The fourth proportional to 845,320.10, 1,166,661.36 and 523,133.96 is: 721,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,320.10 : 1,166,661.36 = 523,133.96 : x
  2. Step 2: Convert to fraction form
    845,320.10/1,166,661.36 = 523,133.96/x
  3. Step 3: Cross multiply
    845,320.10x = 1,166,661.36 × 523,133.96
  4. Step 4: Simplify right side
    845,320.10x = 610,320,177,235.79
  5. Step 5: Solve for x
    x = 610,320,177,235.79/845,320.10
  6. Step 6: Final answer
    x = 721,998.89

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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.