Home / 931,150.92-1,284,892.48-523,187.92

Finding the Fourth Proportional to 931,150.92, 1,284,892.48 and 523,187.92

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Solution

The fourth proportional to 931,150.92, 1,284,892.48 and 523,187.92 is: 721,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,150.92 : 1,284,892.48 = 523,187.92 : x
  2. Step 2: Convert to fraction form
    931,150.92/1,284,892.48 = 523,187.92/x
  3. Step 3: Cross multiply
    931,150.92x = 1,284,892.48 × 523,187.92
  4. Step 4: Simplify right side
    931,150.92x = 672,240,224,034.84
  5. Step 5: Solve for x
    x = 672,240,224,034.84/931,150.92
  6. Step 6: Final answer
    x = 721,945.51

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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.