Home / 1,004,020.84-1,385,560.66-545,140.90

Finding the Fourth Proportional to 1,004,020.84, 1,385,560.66 and 545,140.90

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Solution

The fourth proportional to 1,004,020.84, 1,385,560.66 and 545,140.90 is: 752,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,020.84 : 1,385,560.66 = 545,140.90 : x
  2. Step 2: Convert to fraction form
    1,004,020.84/1,385,560.66 = 545,140.90/x
  3. Step 3: Cross multiply
    1,004,020.84x = 1,385,560.66 × 545,140.90
  4. Step 4: Simplify right side
    1,004,020.84x = 755,325,778,269.19
  5. Step 5: Solve for x
    x = 755,325,778,269.19/1,004,020.84
  6. Step 6: Final answer
    x = 752,300.90

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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.