Home / 449,241.80-619,948.91-245,292.08

Finding the Fourth Proportional to 449,241.80, 619,948.91 and 245,292.08

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Solution

The fourth proportional to 449,241.80, 619,948.91 and 245,292.08 is: 338,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,241.80 : 619,948.91 = 245,292.08 : x
  2. Step 2: Convert to fraction form
    449,241.80/619,948.91 = 245,292.08/x
  3. Step 3: Cross multiply
    449,241.80x = 619,948.91 × 245,292.08
  4. Step 4: Simplify right side
    449,241.80x = 152,068,555,141.12
  5. Step 5: Solve for x
    x = 152,068,555,141.12/449,241.80
  6. Step 6: Final answer
    x = 338,500.46

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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.