Home / 686,517.52-1,029,845.46-181,113.42

Finding the Fourth Proportional to 686,517.52, 1,029,845.46 and 181,113.42

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Solution

The fourth proportional to 686,517.52, 1,029,845.46 and 181,113.42 is: 271,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,517.52 : 1,029,845.46 = 181,113.42 : x
  2. Step 2: Convert to fraction form
    686,517.52/1,029,845.46 = 181,113.42/x
  3. Step 3: Cross multiply
    686,517.52x = 1,029,845.46 × 181,113.42
  4. Step 4: Simplify right side
    686,517.52x = 186,518,833,332.07
  5. Step 5: Solve for x
    x = 186,518,833,332.07/686,517.52
  6. Step 6: Final answer
    x = 271,688.38

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1.5x scale

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.