Home / 933,138.24-1,287,287.28-550,908.96

Finding the Fourth Proportional to 933,138.24, 1,287,287.28 and 550,908.96

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Solution

The fourth proportional to 933,138.24, 1,287,287.28 and 550,908.96 is: 759,992.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,138.24 : 1,287,287.28 = 550,908.96 : x
  2. Step 2: Convert to fraction form
    933,138.24/1,287,287.28 = 550,908.96/x
  3. Step 3: Cross multiply
    933,138.24x = 1,287,287.28 × 550,908.96
  4. Step 4: Simplify right side
    933,138.24x = 709,178,096,646.03
  5. Step 5: Solve for x
    x = 709,178,096,646.03/933,138.24
  6. Step 6: Final answer
    x = 759,992.54

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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.