Home / 682,829.52-942,299.53-376,905.86

Finding the Fourth Proportional to 682,829.52, 942,299.53 and 376,905.86

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Solution

The fourth proportional to 682,829.52, 942,299.53 and 376,905.86 is: 520,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,829.52 : 942,299.53 = 376,905.86 : x
  2. Step 2: Convert to fraction form
    682,829.52/942,299.53 = 376,905.86/x
  3. Step 3: Cross multiply
    682,829.52x = 942,299.53 × 376,905.86
  4. Step 4: Simplify right side
    682,829.52x = 355,158,214,732.25
  5. Step 5: Solve for x
    x = 355,158,214,732.25/682,829.52
  6. Step 6: Final answer
    x = 520,127.21

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1.5x scale

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.