Home / 449,152.60-619,829.14-245,206.05

Finding the Fourth Proportional to 449,152.60, 619,829.14 and 245,206.05

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Solution

The fourth proportional to 449,152.60, 619,829.14 and 245,206.05 is: 338,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,152.60 : 619,829.14 = 245,206.05 : x
  2. Step 2: Convert to fraction form
    449,152.60/619,829.14 = 245,206.05/x
  3. Step 3: Cross multiply
    449,152.60x = 619,829.14 × 245,206.05
  4. Step 4: Simplify right side
    449,152.60x = 151,985,855,094.30
  5. Step 5: Solve for x
    x = 151,985,855,094.30/449,152.60
  6. Step 6: Final answer
    x = 338,383.56

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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.