Home / 335,039.40-502,559.10-296,985.60

Finding the Fourth Proportional to 335,039.40, 502,559.10 and 296,985.60

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Solution

The fourth proportional to 335,039.40, 502,559.10 and 296,985.60 is: 445,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,039.40 : 502,559.10 = 296,985.60 : x
  2. Step 2: Convert to fraction form
    335,039.40/502,559.10 = 296,985.60/x
  3. Step 3: Cross multiply
    335,039.40x = 502,559.10 × 296,985.60
  4. Step 4: Simplify right side
    335,039.40x = 149,252,815,848.96
  5. Step 5: Solve for x
    x = 149,252,815,848.96/335,039.40
  6. Step 6: Final answer
    x = 445,478.40

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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.