Home / 1,241,982.05-1,862,973.07-400,533.80

Finding the Fourth Proportional to 1,241,982.05, 1,862,973.07 and 400,533.80

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Solution

The fourth proportional to 1,241,982.05, 1,862,973.07 and 400,533.80 is: 600,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,982.05 : 1,862,973.07 = 400,533.80 : x
  2. Step 2: Convert to fraction form
    1,241,982.05/1,862,973.07 = 400,533.80/x
  3. Step 3: Cross multiply
    1,241,982.05x = 1,862,973.07 × 400,533.80
  4. Step 4: Simplify right side
    1,241,982.05x = 746,183,686,680.86
  5. Step 5: Solve for x
    x = 746,183,686,680.86/1,241,982.05
  6. Step 6: Final answer
    x = 600,800.70

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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.