Home / 925,090.20-1,387,856.16-294,005.16

Finding the Fourth Proportional to 925,090.20, 1,387,856.16 and 294,005.16

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Solution

The fourth proportional to 925,090.20, 1,387,856.16 and 294,005.16 is: 441,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,090.20 : 1,387,856.16 = 294,005.16 : x
  2. Step 2: Convert to fraction form
    925,090.20/1,387,856.16 = 294,005.16/x
  3. Step 3: Cross multiply
    925,090.20x = 1,387,856.16 × 294,005.16
  4. Step 4: Simplify right side
    925,090.20x = 408,036,872,377.79
  5. Step 5: Solve for x
    x = 408,036,872,377.79/925,090.20
  6. Step 6: Final answer
    x = 441,077.93

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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.