Home / 416,337.96-574,579.78-331,001.20

Finding the Fourth Proportional to 416,337.96, 574,579.78 and 331,001.20

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Solution

The fourth proportional to 416,337.96, 574,579.78 and 331,001.20 is: 456,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,337.96 : 574,579.78 = 331,001.20 : x
  2. Step 2: Convert to fraction form
    416,337.96/574,579.78 = 331,001.20/x
  3. Step 3: Cross multiply
    416,337.96x = 574,579.78 × 331,001.20
  4. Step 4: Simplify right side
    416,337.96x = 190,186,596,566.46
  5. Step 5: Solve for x
    x = 190,186,596,566.46/416,337.96
  6. Step 6: Final answer
    x = 456,808.20

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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.