Home / 449,337.30-620,090.41-245,394.23

Finding the Fourth Proportional to 449,337.30, 620,090.41 and 245,394.23

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Solution

The fourth proportional to 449,337.30, 620,090.41 and 245,394.23 is: 338,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,337.30 : 620,090.41 = 245,394.23 : x
  2. Step 2: Convert to fraction form
    449,337.30/620,090.41 = 245,394.23/x
  3. Step 3: Cross multiply
    449,337.30x = 620,090.41 × 245,394.23
  4. Step 4: Simplify right side
    449,337.30x = 152,166,606,889.81
  5. Step 5: Solve for x
    x = 152,166,606,889.81/449,337.30
  6. Step 6: Final answer
    x = 338,646.73

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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.