Home / 1,004,022.34-1,385,562.73-545,142.40

Finding the Fourth Proportional to 1,004,022.34, 1,385,562.73 and 545,142.40

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Solution

The fourth proportional to 1,004,022.34, 1,385,562.73 and 545,142.40 is: 752,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,022.34 : 1,385,562.73 = 545,142.40 : x
  2. Step 2: Convert to fraction form
    1,004,022.34/1,385,562.73 = 545,142.40/x
  3. Step 3: Cross multiply
    1,004,022.34x = 1,385,562.73 × 545,142.40
  4. Step 4: Simplify right side
    1,004,022.34x = 755,328,991,982.75
  5. Step 5: Solve for x
    x = 755,328,991,982.75/1,004,022.34
  6. Step 6: Final answer
    x = 752,302.97

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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.