Home / 1,058,628.77-1,587,050.48-459,138.41

Finding the Fourth Proportional to 1,058,628.77, 1,587,050.48 and 459,138.41

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Solution

The fourth proportional to 1,058,628.77, 1,587,050.48 and 459,138.41 is: 688,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,628.77 : 1,587,050.48 = 459,138.41 : x
  2. Step 2: Convert to fraction form
    1,058,628.77/1,587,050.48 = 459,138.41/x
  3. Step 3: Cross multiply
    1,058,628.77x = 1,587,050.48 × 459,138.41
  4. Step 4: Simplify right side
    1,058,628.77x = 728,675,823,745.99
  5. Step 5: Solve for x
    x = 728,675,823,745.99/1,058,628.77
  6. Step 6: Final answer
    x = 688,320.45

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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.