Home / 577,458.77-865,972.42-198,271.85

Finding the Fourth Proportional to 577,458.77, 865,972.42 and 198,271.85

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Solution

The fourth proportional to 577,458.77, 865,972.42 and 198,271.85 is: 297,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,458.77 : 865,972.42 = 198,271.85 : x
  2. Step 2: Convert to fraction form
    577,458.77/865,972.42 = 198,271.85/x
  3. Step 3: Cross multiply
    577,458.77x = 865,972.42 × 198,271.85
  4. Step 4: Simplify right side
    577,458.77x = 171,697,948,936.84
  5. Step 5: Solve for x
    x = 171,697,948,936.84/577,458.77
  6. Step 6: Final answer
    x = 297,333.70

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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.