Home / 711,913.46-1,067,751.11-312,446.97

Finding the Fourth Proportional to 711,913.46, 1,067,751.11 and 312,446.97

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Solution

The fourth proportional to 711,913.46, 1,067,751.11 and 312,446.97 is: 468,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,913.46 : 1,067,751.11 = 312,446.97 : x
  2. Step 2: Convert to fraction form
    711,913.46/1,067,751.11 = 312,446.97/x
  3. Step 3: Cross multiply
    711,913.46x = 1,067,751.11 × 312,446.97
  4. Step 4: Simplify right side
    711,913.46x = 333,615,599,814.75
  5. Step 5: Solve for x
    x = 333,615,599,814.75/711,913.46
  6. Step 6: Final answer
    x = 468,618.20

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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.