Home / 619,107.08-854,549.18-404,280.50

Finding the Fourth Proportional to 619,107.08, 854,549.18 and 404,280.50

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Solution

The fourth proportional to 619,107.08, 854,549.18 and 404,280.50 is: 558,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,107.08 : 854,549.18 = 404,280.50 : x
  2. Step 2: Convert to fraction form
    619,107.08/854,549.18 = 404,280.50/x
  3. Step 3: Cross multiply
    619,107.08x = 854,549.18 × 404,280.50
  4. Step 4: Simplify right side
    619,107.08x = 345,477,569,764.99
  5. Step 5: Solve for x
    x = 345,477,569,764.99/619,107.08
  6. Step 6: Final answer
    x = 558,025.55

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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.