Home / 696,655.69-1,045,159.10-198,019.69

Finding the Fourth Proportional to 696,655.69, 1,045,159.10 and 198,019.69

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Solution

The fourth proportional to 696,655.69, 1,045,159.10 and 198,019.69 is: 297,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,655.69 : 1,045,159.10 = 198,019.69 : x
  2. Step 2: Convert to fraction form
    696,655.69/1,045,159.10 = 198,019.69/x
  3. Step 3: Cross multiply
    696,655.69x = 1,045,159.10 × 198,019.69
  4. Step 4: Simplify right side
    696,655.69x = 206,962,078,122.26
  5. Step 5: Solve for x
    x = 206,962,078,122.26/696,655.69
  6. Step 6: Final answer
    x = 297,079.44

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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.