Home / 534,563.19-800,991.86-391,746.65

Finding the Fourth Proportional to 534,563.19, 800,991.86 and 391,746.65

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Solution

The fourth proportional to 534,563.19, 800,991.86 and 391,746.65 is: 586,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,563.19 : 800,991.86 = 391,746.65 : x
  2. Step 2: Convert to fraction form
    534,563.19/800,991.86 = 391,746.65/x
  3. Step 3: Cross multiply
    534,563.19x = 800,991.86 × 391,746.65
  4. Step 4: Simplify right side
    534,563.19x = 313,785,871,868.58
  5. Step 5: Solve for x
    x = 313,785,871,868.58/534,563.19
  6. Step 6: Final answer
    x = 586,994.91

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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.