Home / 1,058,761.32-1,588,138.20-459,644.28

Finding the Fourth Proportional to 1,058,761.32, 1,588,138.20 and 459,644.28

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Solution

The fourth proportional to 1,058,761.32, 1,588,138.20 and 459,644.28 is: 689,464.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,761.32 : 1,588,138.20 = 459,644.28 : x
  2. Step 2: Convert to fraction form
    1,058,761.32/1,588,138.20 = 459,644.28/x
  3. Step 3: Cross multiply
    1,058,761.32x = 1,588,138.20 × 459,644.28
  4. Step 4: Simplify right side
    1,058,761.32x = 729,978,639,479.50
  5. Step 5: Solve for x
    x = 729,978,639,479.50/1,058,761.32
  6. Step 6: Final answer
    x = 689,464.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.