Home / 987,031.10-1,362,107.27-534,322.10

Finding the Fourth Proportional to 987,031.10, 1,362,107.27 and 534,322.10

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Solution

The fourth proportional to 987,031.10, 1,362,107.27 and 534,322.10 is: 737,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,031.10 : 1,362,107.27 = 534,322.10 : x
  2. Step 2: Convert to fraction form
    987,031.10/1,362,107.27 = 534,322.10/x
  3. Step 3: Cross multiply
    987,031.10x = 1,362,107.27 × 534,322.10
  4. Step 4: Simplify right side
    987,031.10x = 727,804,014,260.06
  5. Step 5: Solve for x
    x = 727,804,014,260.06/987,031.10
  6. Step 6: Final answer
    x = 737,366.85

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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.