Home / 711,416.37-1,067,045.94-178,937.60

Finding the Fourth Proportional to 711,416.37, 1,067,045.94 and 178,937.60

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Solution

The fourth proportional to 711,416.37, 1,067,045.94 and 178,937.60 is: 268,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,416.37 : 1,067,045.94 = 178,937.60 : x
  2. Step 2: Convert to fraction form
    711,416.37/1,067,045.94 = 178,937.60/x
  3. Step 3: Cross multiply
    711,416.37x = 1,067,045.94 × 178,937.60
  4. Step 4: Simplify right side
    711,416.37x = 190,934,639,593.34
  5. Step 5: Solve for x
    x = 190,934,639,593.34/711,416.37
  6. Step 6: Final answer
    x = 268,386.63

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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.