Home / 1,198,677.04-1,654,224.66-689,379.88

Finding the Fourth Proportional to 1,198,677.04, 1,654,224.66 and 689,379.88

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Solution

The fourth proportional to 1,198,677.04, 1,654,224.66 and 689,379.88 is: 951,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,677.04 : 1,654,224.66 = 689,379.88 : x
  2. Step 2: Convert to fraction form
    1,198,677.04/1,654,224.66 = 689,379.88/x
  3. Step 3: Cross multiply
    1,198,677.04x = 1,654,224.66 × 689,379.88
  4. Step 4: Simplify right side
    1,198,677.04x = 1,140,389,197,603.84
  5. Step 5: Solve for x
    x = 1,140,389,197,603.84/1,198,677.04
  6. Step 6: Final answer
    x = 951,373.19

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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.