Home / 672,091.36-927,485.52-370,285.36

Finding the Fourth Proportional to 672,091.36, 927,485.52 and 370,285.36

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Solution

The fourth proportional to 672,091.36, 927,485.52 and 370,285.36 is: 510,993.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,091.36 : 927,485.52 = 370,285.36 : x
  2. Step 2: Convert to fraction form
    672,091.36/927,485.52 = 370,285.36/x
  3. Step 3: Cross multiply
    672,091.36x = 927,485.52 × 370,285.36
  4. Step 4: Simplify right side
    672,091.36x = 343,434,309,667.99
  5. Step 5: Solve for x
    x = 343,434,309,667.99/672,091.36
  6. Step 6: Final answer
    x = 510,993.49

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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.