Home / 987,062.23-1,362,146.34-534,353.23

Finding the Fourth Proportional to 987,062.23, 1,362,146.34 and 534,353.23

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Solution

The fourth proportional to 987,062.23, 1,362,146.34 and 534,353.23 is: 737,407.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,062.23 : 1,362,146.34 = 534,353.23 : x
  2. Step 2: Convert to fraction form
    987,062.23/1,362,146.34 = 534,353.23/x
  3. Step 3: Cross multiply
    987,062.23x = 1,362,146.34 × 534,353.23
  4. Step 4: Simplify right side
    987,062.23x = 727,867,296,511.68
  5. Step 5: Solve for x
    x = 727,867,296,511.68/987,062.23
  6. Step 6: Final answer
    x = 737,407.71

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1.5x scale

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.