Home / 930,863.17-1,284,596.33-522,982.21

Finding the Fourth Proportional to 930,863.17, 1,284,596.33 and 522,982.21

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Solution

The fourth proportional to 930,863.17, 1,284,596.33 and 522,982.21 is: 721,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,863.17 : 1,284,596.33 = 522,982.21 : x
  2. Step 2: Convert to fraction form
    930,863.17/1,284,596.33 = 522,982.21/x
  3. Step 3: Cross multiply
    930,863.17x = 1,284,596.33 × 522,982.21
  4. Step 4: Simplify right side
    930,863.17x = 671,821,027,621.29
  5. Step 5: Solve for x
    x = 671,821,027,621.29/930,863.17
  6. Step 6: Final answer
    x = 721,718.35

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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.