Home / 943,057.95-1,414,587.39-311,971.77

Finding the Fourth Proportional to 943,057.95, 1,414,587.39 and 311,971.77

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Solution

The fourth proportional to 943,057.95, 1,414,587.39 and 311,971.77 is: 467,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,057.95 : 1,414,587.39 = 311,971.77 : x
  2. Step 2: Convert to fraction form
    943,057.95/1,414,587.39 = 311,971.77/x
  3. Step 3: Cross multiply
    943,057.95x = 1,414,587.39 × 311,971.77
  4. Step 4: Simplify right side
    943,057.95x = 441,311,331,877.98
  5. Step 5: Solve for x
    x = 441,311,331,877.98/943,057.95
  6. Step 6: Final answer
    x = 467,957.81

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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.