Home / 449,219.46-619,924.15-245,272.14

Finding the Fourth Proportional to 449,219.46, 619,924.15 and 245,272.14

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Solution

The fourth proportional to 449,219.46, 619,924.15 and 245,272.14 is: 338,476.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,219.46 : 619,924.15 = 245,272.14 : x
  2. Step 2: Convert to fraction form
    449,219.46/619,924.15 = 245,272.14/x
  3. Step 3: Cross multiply
    449,219.46x = 619,924.15 × 245,272.14
  4. Step 4: Simplify right side
    449,219.46x = 152,050,122,908.18
  5. Step 5: Solve for x
    x = 152,050,122,908.18/449,219.46
  6. Step 6: Final answer
    x = 338,476.26

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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.