Home / 572,257.86-789,533.19-330,508.50

Finding the Fourth Proportional to 572,257.86, 789,533.19 and 330,508.50

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Solution

The fourth proportional to 572,257.86, 789,533.19 and 330,508.50 is: 455,996.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,257.86 : 789,533.19 = 330,508.50 : x
  2. Step 2: Convert to fraction form
    572,257.86/789,533.19 = 330,508.50/x
  3. Step 3: Cross multiply
    572,257.86x = 789,533.19 × 330,508.50
  4. Step 4: Simplify right side
    572,257.86x = 260,947,430,327.12
  5. Step 5: Solve for x
    x = 260,947,430,327.12/572,257.86
  6. Step 6: Final answer
    x = 455,996.24

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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.