Home / 711,417.37-1,067,047.44-178,938.61

Finding the Fourth Proportional to 711,417.37, 1,067,047.44 and 178,938.61

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Solution

The fourth proportional to 711,417.37, 1,067,047.44 and 178,938.61 is: 268,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,417.37 : 1,067,047.44 = 178,938.61 : x
  2. Step 2: Convert to fraction form
    711,417.37/1,067,047.44 = 178,938.61/x
  3. Step 3: Cross multiply
    711,417.37x = 1,067,047.44 × 178,938.61
  4. Step 4: Simplify right side
    711,417.37x = 190,935,985,717.66
  5. Step 5: Solve for x
    x = 190,935,985,717.66/711,417.37
  6. Step 6: Final answer
    x = 268,388.14

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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.