Home / 696,729.39-1,045,097.33-191,297.49

Finding the Fourth Proportional to 696,729.39, 1,045,097.33 and 191,297.49

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Solution

The fourth proportional to 696,729.39, 1,045,097.33 and 191,297.49 is: 286,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,729.39 : 1,045,097.33 = 191,297.49 : x
  2. Step 2: Convert to fraction form
    696,729.39/1,045,097.33 = 191,297.49/x
  3. Step 3: Cross multiply
    696,729.39x = 1,045,097.33 × 191,297.49
  4. Step 4: Simplify right side
    696,729.39x = 199,924,495,078.21
  5. Step 5: Solve for x
    x = 199,924,495,078.21/696,729.39
  6. Step 6: Final answer
    x = 286,947.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.