Home / 619,241.16-854,541.69-347,309.58

Finding the Fourth Proportional to 619,241.16, 854,541.69 and 347,309.58

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Solution

The fourth proportional to 619,241.16, 854,541.69 and 347,309.58 is: 479,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,241.16 : 854,541.69 = 347,309.58 : x
  2. Step 2: Convert to fraction form
    619,241.16/854,541.69 = 347,309.58/x
  3. Step 3: Cross multiply
    619,241.16x = 854,541.69 × 347,309.58
  4. Step 4: Simplify right side
    619,241.16x = 296,790,515,446.39
  5. Step 5: Solve for x
    x = 296,790,515,446.39/619,241.16
  6. Step 6: Final answer
    x = 479,280.99

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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.