Home / 449,242.17-619,949.43-245,292.45

Finding the Fourth Proportional to 449,242.17, 619,949.43 and 245,292.45

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Solution

The fourth proportional to 449,242.17, 619,949.43 and 245,292.45 is: 338,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,242.17 : 619,949.43 = 245,292.45 : x
  2. Step 2: Convert to fraction form
    449,242.17/619,949.43 = 245,292.45/x
  3. Step 3: Cross multiply
    449,242.17x = 619,949.43 × 245,292.45
  4. Step 4: Simplify right side
    449,242.17x = 152,068,914,560.80
  5. Step 5: Solve for x
    x = 152,068,914,560.80/449,242.17
  6. Step 6: Final answer
    x = 338,500.98

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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.