Home / 399,244.58-551,558.45-261,750.18

Finding the Fourth Proportional to 399,244.58, 551,558.45 and 261,750.18

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Solution

The fourth proportional to 399,244.58, 551,558.45 and 261,750.18 is: 361,609.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,244.58 : 551,558.45 = 261,750.18 : x
  2. Step 2: Convert to fraction form
    399,244.58/551,558.45 = 261,750.18/x
  3. Step 3: Cross multiply
    399,244.58x = 551,558.45 × 261,750.18
  4. Step 4: Simplify right side
    399,244.58x = 144,370,524,222.40
  5. Step 5: Solve for x
    x = 144,370,524,222.40/399,244.58
  6. Step 6: Final answer
    x = 361,609.23

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1.5x scale

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.