Home / 1,433,183.84-1,977,567.82-821,218.92

Finding the Fourth Proportional to 1,433,183.84, 1,977,567.82 and 821,218.92

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Solution

The fourth proportional to 1,433,183.84, 1,977,567.82 and 821,218.92 is: 1,133,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,183.84 : 1,977,567.82 = 821,218.92 : x
  2. Step 2: Convert to fraction form
    1,433,183.84/1,977,567.82 = 821,218.92/x
  3. Step 3: Cross multiply
    1,433,183.84x = 1,977,567.82 × 821,218.92
  4. Step 4: Simplify right side
    1,433,183.84x = 1,624,016,107,314.11
  5. Step 5: Solve for x
    x = 1,624,016,107,314.11/1,433,183.84
  6. Step 6: Final answer
    x = 1,133,152.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.