Home / 931,151.92-1,284,893.86-523,188.92

Finding the Fourth Proportional to 931,151.92, 1,284,893.86 and 523,188.92

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Solution

The fourth proportional to 931,151.92, 1,284,893.86 and 523,188.92 is: 721,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,151.92 : 1,284,893.86 = 523,188.92 : x
  2. Step 2: Convert to fraction form
    931,151.92/1,284,893.86 = 523,188.92/x
  3. Step 3: Cross multiply
    931,151.92x = 1,284,893.86 × 523,188.92
  4. Step 4: Simplify right side
    931,151.92x = 672,242,230,928.03
  5. Step 5: Solve for x
    x = 672,242,230,928.03/931,151.92
  6. Step 6: Final answer
    x = 721,946.89

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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.