Home / 950,365.12-1,425,760.44-319,261.72

Finding the Fourth Proportional to 950,365.12, 1,425,760.44 and 319,261.72

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Solution

The fourth proportional to 950,365.12, 1,425,760.44 and 319,261.72 is: 478,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,365.12 : 1,425,760.44 = 319,261.72 : x
  2. Step 2: Convert to fraction form
    950,365.12/1,425,760.44 = 319,261.72/x
  3. Step 3: Cross multiply
    950,365.12x = 1,425,760.44 × 319,261.72
  4. Step 4: Simplify right side
    950,365.12x = 455,190,730,382.36
  5. Step 5: Solve for x
    x = 455,190,730,382.36/950,365.12
  6. Step 6: Final answer
    x = 478,964.05

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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.