Home / 335,040.80-502,561.20-331,541.60

Finding the Fourth Proportional to 335,040.80, 502,561.20 and 331,541.60

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Solution

The fourth proportional to 335,040.80, 502,561.20 and 331,541.60 is: 497,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,040.80 : 502,561.20 = 331,541.60 : x
  2. Step 2: Convert to fraction form
    335,040.80/502,561.20 = 331,541.60/x
  3. Step 3: Cross multiply
    335,040.80x = 502,561.20 × 331,541.60
  4. Step 4: Simplify right side
    335,040.80x = 166,619,944,345.92
  5. Step 5: Solve for x
    x = 166,619,944,345.92/335,040.80
  6. Step 6: Final answer
    x = 497,312.40

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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.