Home / 698,092.86-1,047,139.68-199,456.86

Finding the Fourth Proportional to 698,092.86, 1,047,139.68 and 199,456.86

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Solution

The fourth proportional to 698,092.86, 1,047,139.68 and 199,456.86 is: 299,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,092.86 : 1,047,139.68 = 199,456.86 : x
  2. Step 2: Convert to fraction form
    698,092.86/1,047,139.68 = 199,456.86/x
  3. Step 3: Cross multiply
    698,092.86x = 1,047,139.68 × 199,456.86
  4. Step 4: Simplify right side
    698,092.86x = 208,859,192,554.21
  5. Step 5: Solve for x
    x = 208,859,192,554.21/698,092.86
  6. Step 6: Final answer
    x = 299,185.40

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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.