Home / 577,056.34-865,650.12-198,005.50

Finding the Fourth Proportional to 577,056.34, 865,650.12 and 198,005.50

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Solution

The fourth proportional to 577,056.34, 865,650.12 and 198,005.50 is: 297,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,056.34 : 865,650.12 = 198,005.50 : x
  2. Step 2: Convert to fraction form
    577,056.34/865,650.12 = 198,005.50/x
  3. Step 3: Cross multiply
    577,056.34x = 865,650.12 × 198,005.50
  4. Step 4: Simplify right side
    577,056.34x = 171,403,484,835.66
  5. Step 5: Solve for x
    x = 171,403,484,835.66/577,056.34
  6. Step 6: Final answer
    x = 297,030.76

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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.