Home / 1,126,933.62-1,690,400.46-682,768.50

Finding the Fourth Proportional to 1,126,933.62, 1,690,400.46 and 682,768.50

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Solution

The fourth proportional to 1,126,933.62, 1,690,400.46 and 682,768.50 is: 1,024,152.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,933.62 : 1,690,400.46 = 682,768.50 : x
  2. Step 2: Convert to fraction form
    1,126,933.62/1,690,400.46 = 682,768.50/x
  3. Step 3: Cross multiply
    1,126,933.62x = 1,690,400.46 × 682,768.50
  4. Step 4: Simplify right side
    1,126,933.62x = 1,154,152,186,473.51
  5. Step 5: Solve for x
    x = 1,154,152,186,473.51/1,126,933.62
  6. Step 6: Final answer
    x = 1,024,152.77

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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.