Home / 619,222.16-854,536.20-347,350.40

Finding the Fourth Proportional to 619,222.16, 854,536.20 and 347,350.40

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Solution

The fourth proportional to 619,222.16, 854,536.20 and 347,350.40 is: 479,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,222.16 : 854,536.20 = 347,350.40 : x
  2. Step 2: Convert to fraction form
    619,222.16/854,536.20 = 347,350.40/x
  3. Step 3: Cross multiply
    619,222.16x = 854,536.20 × 347,350.40
  4. Step 4: Simplify right side
    619,222.16x = 296,823,490,884.48
  5. Step 5: Solve for x
    x = 296,823,490,884.48/619,222.16
  6. Step 6: Final answer
    x = 479,348.95

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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.