Home / 449,158.64-619,848.28-245,218.14

Finding the Fourth Proportional to 449,158.64, 619,848.28 and 245,218.14

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Solution

The fourth proportional to 449,158.64, 619,848.28 and 245,218.14 is: 338,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,158.64 : 619,848.28 = 245,218.14 : x
  2. Step 2: Convert to fraction form
    449,158.64/619,848.28 = 245,218.14/x
  3. Step 3: Cross multiply
    449,158.64x = 619,848.28 × 245,218.14
  4. Step 4: Simplify right side
    449,158.64x = 151,998,042,303.80
  5. Step 5: Solve for x
    x = 151,998,042,303.80/449,158.64
  6. Step 6: Final answer
    x = 338,406.14

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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.