Home / 534,625.20-802,142.60-526,228.40

Finding the Fourth Proportional to 534,625.20, 802,142.60 and 526,228.40

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Solution

The fourth proportional to 534,625.20, 802,142.60 and 526,228.40 is: 789,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,625.20 : 802,142.60 = 526,228.40 : x
  2. Step 2: Convert to fraction form
    534,625.20/802,142.60 = 526,228.40/x
  3. Step 3: Cross multiply
    534,625.20x = 802,142.60 × 526,228.40
  4. Step 4: Simplify right side
    534,625.20x = 422,110,216,969.84
  5. Step 5: Solve for x
    x = 422,110,216,969.84/534,625.20
  6. Step 6: Final answer
    x = 789,544.18

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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.