Home / 457,090.56-630,444.78-295,821.18

Finding the Fourth Proportional to 457,090.56, 630,444.78 and 295,821.18

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Solution

The fourth proportional to 457,090.56, 630,444.78 and 295,821.18 is: 408,013.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,090.56 : 630,444.78 = 295,821.18 : x
  2. Step 2: Convert to fraction form
    457,090.56/630,444.78 = 295,821.18/x
  3. Step 3: Cross multiply
    457,090.56x = 630,444.78 × 295,821.18
  4. Step 4: Simplify right side
    457,090.56x = 186,498,918,744.44
  5. Step 5: Solve for x
    x = 186,498,918,744.44/457,090.56
  6. Step 6: Final answer
    x = 408,013.06

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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.