Home / 577,459.77-865,973.92-198,272.85

Finding the Fourth Proportional to 577,459.77, 865,973.92 and 198,272.85

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Solution

The fourth proportional to 577,459.77, 865,973.92 and 198,272.85 is: 297,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,459.77 : 865,973.92 = 198,272.85 : x
  2. Step 2: Convert to fraction form
    577,459.77/865,973.92 = 198,272.85/x
  3. Step 3: Cross multiply
    577,459.77x = 865,973.92 × 198,272.85
  4. Step 4: Simplify right side
    577,459.77x = 171,699,117,144.07
  5. Step 5: Solve for x
    x = 171,699,117,144.07/577,459.77
  6. Step 6: Final answer
    x = 297,335.20

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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.