Home / 711,419.86-1,067,051.18-178,941.10

Finding the Fourth Proportional to 711,419.86, 1,067,051.18 and 178,941.10

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Solution

The fourth proportional to 711,419.86, 1,067,051.18 and 178,941.10 is: 268,391.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,419.86 : 1,067,051.18 = 178,941.10 : x
  2. Step 2: Convert to fraction form
    711,419.86/1,067,051.18 = 178,941.10/x
  3. Step 3: Cross multiply
    711,419.86x = 1,067,051.18 × 178,941.10
  4. Step 4: Simplify right side
    711,419.86x = 190,939,311,905.50
  5. Step 5: Solve for x
    x = 190,939,311,905.50/711,419.86
  6. Step 6: Final answer
    x = 268,391.88

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Double scale
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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.