Home / 334,138.30-501,207.45-310,518.70

Finding the Fourth Proportional to 334,138.30, 501,207.45 and 310,518.70

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Solution

The fourth proportional to 334,138.30, 501,207.45 and 310,518.70 is: 465,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,138.30 : 501,207.45 = 310,518.70 : x
  2. Step 2: Convert to fraction form
    334,138.30/501,207.45 = 310,518.70/x
  3. Step 3: Cross multiply
    334,138.30x = 501,207.45 × 310,518.70
  4. Step 4: Simplify right side
    334,138.30x = 155,634,285,804.32
  5. Step 5: Solve for x
    x = 155,634,285,804.32/334,138.30
  6. Step 6: Final answer
    x = 465,778.05

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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.