Home / 605,087.61-835,279.32-430,770.35

Finding the Fourth Proportional to 605,087.61, 835,279.32 and 430,770.35

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Solution

The fourth proportional to 605,087.61, 835,279.32 and 430,770.35 is: 594,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,087.61 : 835,279.32 = 430,770.35 : x
  2. Step 2: Convert to fraction form
    605,087.61/835,279.32 = 430,770.35/x
  3. Step 3: Cross multiply
    605,087.61x = 835,279.32 × 430,770.35
  4. Step 4: Simplify right side
    605,087.61x = 359,813,560,847.77
  5. Step 5: Solve for x
    x = 359,813,560,847.77/605,087.61
  6. Step 6: Final answer
    x = 594,647.05

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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.