Home / 425,679.03-587,075.64-359,698.68

Finding the Fourth Proportional to 425,679.03, 587,075.64 and 359,698.68

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Solution

The fourth proportional to 425,679.03, 587,075.64 and 359,698.68 is: 496,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,679.03 : 587,075.64 = 359,698.68 : x
  2. Step 2: Convert to fraction form
    425,679.03/587,075.64 = 359,698.68/x
  3. Step 3: Cross multiply
    425,679.03x = 587,075.64 × 359,698.68
  4. Step 4: Simplify right side
    425,679.03x = 211,170,331,605.36
  5. Step 5: Solve for x
    x = 211,170,331,605.36/425,679.03
  6. Step 6: Final answer
    x = 496,078.78

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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.