Home / 619,200.40-854,487.08-347,268.24

Finding the Fourth Proportional to 619,200.40, 854,487.08 and 347,268.24

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Solution

The fourth proportional to 619,200.40, 854,487.08 and 347,268.24 is: 479,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,200.40 : 854,487.08 = 347,268.24 : x
  2. Step 2: Convert to fraction form
    619,200.40/854,487.08 = 347,268.24/x
  3. Step 3: Cross multiply
    619,200.40x = 854,487.08 × 347,268.24
  4. Step 4: Simplify right side
    619,200.40x = 296,736,224,374.34
  5. Step 5: Solve for x
    x = 296,736,224,374.34/619,200.40
  6. Step 6: Final answer
    x = 479,224.86

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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.