Home / 916,832.54-1,374,937.38-317,653.84

Finding the Fourth Proportional to 916,832.54, 1,374,937.38 and 317,653.84

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Solution

The fourth proportional to 916,832.54, 1,374,937.38 and 317,653.84 is: 476,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,832.54 : 1,374,937.38 = 317,653.84 : x
  2. Step 2: Convert to fraction form
    916,832.54/1,374,937.38 = 317,653.84/x
  3. Step 3: Cross multiply
    916,832.54x = 1,374,937.38 × 317,653.84
  4. Step 4: Simplify right side
    916,832.54x = 436,754,140,235.21
  5. Step 5: Solve for x
    x = 436,754,140,235.21/916,832.54
  6. Step 6: Final answer
    x = 476,372.86

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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.