Home / 987,037.32-1,362,115.92-534,328.32

Finding the Fourth Proportional to 987,037.32, 1,362,115.92 and 534,328.32

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Solution

The fourth proportional to 987,037.32, 1,362,115.92 and 534,328.32 is: 737,375.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,037.32 : 1,362,115.92 = 534,328.32 : x
  2. Step 2: Convert to fraction form
    987,037.32/1,362,115.92 = 534,328.32/x
  3. Step 3: Cross multiply
    987,037.32x = 1,362,115.92 × 534,328.32
  4. Step 4: Simplify right side
    987,037.32x = 727,817,111,178.85
  5. Step 5: Solve for x
    x = 727,817,111,178.85/987,037.32
  6. Step 6: Final answer
    x = 737,375.47

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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.