Home / 930,731.64-1,284,269.74-522,755.29

Finding the Fourth Proportional to 930,731.64, 1,284,269.74 and 522,755.29

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Solution

The fourth proportional to 930,731.64, 1,284,269.74 and 522,755.29 is: 721,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,731.64 : 1,284,269.74 = 522,755.29 : x
  2. Step 2: Convert to fraction form
    930,731.64/1,284,269.74 = 522,755.29/x
  3. Step 3: Cross multiply
    930,731.64x = 1,284,269.74 × 522,755.29
  4. Step 4: Simplify right side
    930,731.64x = 671,358,800,371.93
  5. Step 5: Solve for x
    x = 671,358,800,371.93/930,731.64
  6. Step 6: Final answer
    x = 721,323.71

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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.