Home / 399,108.48-598,688.64-118,602.24

Finding the Fourth Proportional to 399,108.48, 598,688.64 and 118,602.24

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Solution

The fourth proportional to 399,108.48, 598,688.64 and 118,602.24 is: 177,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,108.48 : 598,688.64 = 118,602.24 : x
  2. Step 2: Convert to fraction form
    399,108.48/598,688.64 = 118,602.24/x
  3. Step 3: Cross multiply
    399,108.48x = 598,688.64 × 118,602.24
  4. Step 4: Simplify right side
    399,108.48x = 71,005,813,766.55
  5. Step 5: Solve for x
    x = 71,005,813,766.55/399,108.48
  6. Step 6: Final answer
    x = 177,911.06

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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.