Home / 987,034.73-1,362,112.28-534,325.73

Finding the Fourth Proportional to 987,034.73, 1,362,112.28 and 534,325.73

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Solution

The fourth proportional to 987,034.73, 1,362,112.28 and 534,325.73 is: 737,371.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,034.73 : 1,362,112.28 = 534,325.73 : x
  2. Step 2: Convert to fraction form
    987,034.73/1,362,112.28 = 534,325.73/x
  3. Step 3: Cross multiply
    987,034.73x = 1,362,112.28 × 534,325.73
  4. Step 4: Simplify right side
    987,034.73x = 727,811,638,352.96
  5. Step 5: Solve for x
    x = 727,811,638,352.96/987,034.73
  6. Step 6: Final answer
    x = 737,371.86

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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.