Home / 619,106.30-854,353.37-347,168.23

Finding the Fourth Proportional to 619,106.30, 854,353.37 and 347,168.23

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Solution

The fourth proportional to 619,106.30, 854,353.37 and 347,168.23 is: 479,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,106.30 : 854,353.37 = 347,168.23 : x
  2. Step 2: Convert to fraction form
    619,106.30/854,353.37 = 347,168.23/x
  3. Step 3: Cross multiply
    619,106.30x = 854,353.37 × 347,168.23
  4. Step 4: Simplify right side
    619,106.30x = 296,604,345,989.47
  5. Step 5: Solve for x
    x = 296,604,345,989.47/619,106.30
  6. Step 6: Final answer
    x = 479,084.68

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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.