Home / 619,905.30-929,083.05-264,504.30

Finding the Fourth Proportional to 619,905.30, 929,083.05 and 264,504.30

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Solution

The fourth proportional to 619,905.30, 929,083.05 and 264,504.30 is: 396,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,905.30 : 929,083.05 = 264,504.30 : x
  2. Step 2: Convert to fraction form
    619,905.30/929,083.05 = 264,504.30/x
  3. Step 3: Cross multiply
    619,905.30x = 929,083.05 × 264,504.30
  4. Step 4: Simplify right side
    619,905.30x = 245,746,461,782.12
  5. Step 5: Solve for x
    x = 245,746,461,782.12/619,905.30
  6. Step 6: Final answer
    x = 396,425.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.